Inventor · disambiguated record
Margaret Weiser
Also filed as: WEISER MARGARET · WEISER MARGARET A
143 granted patents·8 pending applications·1,804 citations·filing 1989–2020
99Inventor score
Files withEXHART ENVIRONMENTAL SYSTEMS118EXHART ENV SYSTEMS INC13WEISER MARGARET A5WEISER ISAAC4WEISER MARGARET2
Top patents by PatentIndex Score
151 records- 0195USD309306SUnitary telephone ear receiver element and attached microphoneWEISER MARGARET A·Filed 1989·Granted Jul 17, 1990·106 cites·1 claims
- 0294USD525903SGarden flowerEXHART ENVIRONMENTAL SYSTEMS·Filed 2004·Granted Aug 1, 2006·54 cites·1 claims
- 0394US6557491B1Multi positionable feeder-planterEXHART ENVIRONMENTAL SYSTEMS·Filed 2002·Granted May 6, 2003·49 cites·11 claims
- 0492USD516944SWhimsical flowerEXHART ENVIRONMENTAL SYSTEMS·Filed 2004·Granted Mar 14, 2006·37 cites·1 claims
- 0592US6572428B1Novelties having spring supported appendagesEXHART ENVIRONMENTAL SYSTEMS·Filed 2001·Granted Jun 3, 2003·55 cites·6 claims
- 0691USD509315SFlower lightEXHART ENVIRONMENTAL SYSTEMS·Filed 2004·Granted Sep 6, 2005·40 cites·1 claims
- 0788USD562488SGarden ball light noveltyEXHART ENVIROMENTAL SYSTEMS IN·Filed 2005·Granted Feb 19, 2008·45 cites·1 claims
- 0888USD484199STwo winged butterflyEXHART ENVIRONMENTAL SYSTEMS·Filed 2003·Granted Dec 23, 2003·34 cites·1 claims
- 0988USD465249SNovelty with movable wingsEXHART ENVIRONMENTAL SYSTEMS·Filed 2001·Granted Nov 5, 2002·45 cites·1 claims
- 1087USD518532SDouble winged butterflyEXHART ENVIRONMENTAL SYSTEMS·Filed 2004·Granted Apr 4, 2006·32 cites·1 claims
- 1187USD504082SFlower noveltyEXHART ENVIRONMENTAL SYSTEMS·Filed 2004·Granted Apr 19, 2005·32 cites·1 claims
- 1286US6773768B2Novelty with spring attached appendagesEXHART ENVIRONMENTAL SYSTEMS·Filed 2002·Granted Aug 10, 2004·28 cites·11 claims
- 1384US7598879B2Electronic rodent repellerEXHART ENVIRONMENTAL SYSTEMS·Filed 2007·Granted Oct 6, 2009·13 cites·23 claims
- 1484USD464685SNovelty butterflyEXHART ENVIRONMENTAL SYSTEMS·Filed 2001·Granted Oct 22, 2002·42 cites·1 claims
- 1583USD641896SUltrasonic pest repeller night light with transparent archEXHART ENVIRONMENTAL SYSTEMS·Filed 2010·Granted Jul 19, 2011·29 cites·1 claims
- 1683US6843702B2Spring novelty with rotating appendage and removable securing portionEXHART ENVIRONMENTAL SYSTEMS·Filed 2003·Granted Jan 18, 2005·20 cites·18 claims
- 1783US6599160B2Novelties having spring supported appendagesEXHART ENVIRONMENTAL SYSTEMS·Filed 2002·Granted Jul 29, 2003·25 cites·15 claims
- 1883USD324558SRodent deterrent stakeWEISER MARGARET A·Filed 1989·Granted Mar 10, 1992·21 cites·1 claims
- 1982US8201972B2LED molded tree branches with blossomsWEISER ISAAC·Filed 2009·Granted Jun 19, 2012·10 cites·25 claims
- 2081USD641897SUltrasonic pest repeller night light with windowed housingEXHART ENVIRONMENTAL SYSTEMS·Filed 2010·Granted Jul 19, 2011·27 cites·1 claims
- 2180USD881748SButterfly novelty having perforated wingsEXHART ENV SYSTEMS INC·Filed 2018·Granted Apr 21, 2020·18 cites·1 claims
- 2280US6845579B2Supported novelty with ballastEXHART ENVIRONMENTAL SYSTEMS·Filed 2003·Granted Jan 25, 2005·16 cites·22 claims
- 2380USD485389SDragonfly lightEXHART ENVIRONMENTAL SYSTEMS·Filed 2003·Granted Jan 13, 2004·21 cites·1 claims
- 2479USD505228SSong bird planter/feederEXHART ENVIRONMENTAL SYSTEMS·Filed 2004·Granted May 17, 2005·22 cites·1 claims
- 2578US7948386B2Electronic rodent repeller that mimics a chattering sound of a distressed rodentEXHART ENVIROMENTAL SYSTEMS INC·Filed 2010·Granted May 24, 2011·9 cites·16 claims
- 2678USD539363SNovelty with propeller tailEXHART ENVIRONMENTAL SYSTEMS·Filed 2003·Granted Mar 27, 2007·19 cites·1 claims
- 2778USD503440SFish noveltyEXHART ENVIRONMEWNTAL SYSTEMS·Filed 2003·Granted Mar 29, 2005·25 cites·1 claims
- 2878USD474421SNovelty with spring supported appendagesFiled 2002·Granted May 13, 2003·19 cites·1 claims
- 2978USD463511SFlamingo noveltyEXHART ENVIRONMENTAL SYSTEMS·Filed 2002·Granted Sep 24, 2002·22 cites·1 claims
- 3077USD497653SSong birdEXHART ENVIRONMENTAL SYSTEMS·Filed 2003·Granted Oct 26, 2004·20 cites·1 claims
- 3177USD464093SSpider noveltyEXHART ENVIRONMENTAL SYSTEMS·Filed 2002·Granted Oct 8, 2002·21 cites·1 claims
- 3276USD487714SFlamingo-planter-feederEXHART ENVIRONMENTAL SYSTEMS·Filed 2003·Granted Mar 23, 2004·20 cites·1 claims
- 3376USD483423STwo winged dragonflyEXHART ENVIRONMENTAL SYSTEMS·Filed 2003·Granted Dec 9, 2003·20 cites·1 claims
- 3476USD468230SSkeleton noveltyEXHART ENVIRONMENTAL SYSTEMS·Filed 2002·Granted Jan 7, 2003·20 cites·1 claims
- 3576USD460383SBird feeder-planterEXHART ENVIRONMENTAL SYSTEMS·Filed 2001·Granted Jul 16, 2002·20 cites·1 claims
- 3675US8491149B2Battery powered decorative light with timerWEISER MARGARET·Filed 2011·Granted Jul 23, 2013·4 cites·50 claims
- 3775USD511799SFrogEXHART ENVIRONMENTAL SYSTEMS·Filed 2004·Granted Nov 22, 2005·22 cites·1 claims
- 3875US6739087B2Garden pest trapEXHART ENVIRONMENTAL SYSTEMS·Filed 2002·Granted May 25, 2004·24 cites·21 claims
- 3975USD463512SDuck noveltyEXHART ENVIRONMENTAL SYSTEMS·Filed 2002·Granted Sep 24, 2002·19 cites·1 claims
- 4074US7033240B2Spring novelty with rotating appendage and removable securing portionEXHART ENVIRONMENTAL SYSTEMS·Filed 2004·Granted Apr 25, 2006·13 cites·19 claims
- 4173USD640810SButterfly night light ultrasonic pest repellerEXHART ENVIRONMENTAL SYSTEMS·Filed 2011·Granted Jun 28, 2011·18 cites·1 claims
- 4273US7028636B2Rotatable bird feederEXHART ENVIRONMENTAL SYSTEMS·Filed 2004·Granted Apr 18, 2006·12 cites·20 claims
- 4373USD479633SHummingbird bird feeder-planterEXHART ENVIRONMENTAL SYSTEMS·Filed 2002·Granted Sep 9, 2003·18 cites·1 claims
- 4473USD471326SRotatable bird feeder-planterEXHART ENVIRONMENTAL SYSTEMS·Filed 2002·Granted Mar 4, 2003·18 cites·1 claims
- 4572USD496410SFlamingo with prop tailEXHART ENVIRONMENTAL SYSTEMS·Filed 2003·Granted Sep 21, 2004·17 cites·1 claims
- 4672USD492220SButterfly with ball end antenaeEXHART ENVIRONMENTAL SYSTEMS·Filed 2003·Granted Jun 29, 2004·17 cites·1 claims
- 4771USD640807SLadybug night light ultrasonic pest repellerEXHART ENVIRONMENTAL SYSTEMS·Filed 2010·Granted Jun 28, 2011·17 cites·1 claims
- 4870US6974228B2Novelty with solar lightEXHART ENVIRONMENTAL SYSTEMS·Filed 2004·Granted Dec 13, 2005·14 cites·17 claims
- 4970USD463510SBat noveltyEXHART ENVIRONMENTAL SYSTEMS·Filed 2002·Granted Sep 24, 2002·16 cites·1 claims
- 5069US6955330B1Deck securing systemEXHART ENVIRONMENTAL SYSTEMS·Filed 2004·Granted Oct 18, 2005·17 cites·13 claims
Showing the top 50 of 151 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →