Individual holder
JOHNSON DAVID A
29 granted patents·9 pending applications·785 citations·filing 1976–2021
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
38 records- 0196US8433468B2Robotic mower home finding systemJOHNSON DAVID A·Filed 2010·Granted Apr 30, 2013·49 cites·12 claims
- 0295US8337012B2Curved lenses configured to decode three-dimensional content on television and computer screensJOHNSON DAVID A·Filed 2011·Granted Dec 25, 2012·14 cites·23 claims
- 0394US8624029B2Lipidated imidazoquinoline derivativesJOHNSON DAVID A·Filed 2009·Granted Jan 7, 2014·14 cites·2 claims
- 0492US7562482B1Spare magazine carrier with independent latch mechanismJOHNSON DAVID A·Filed 2005·Granted Jul 21, 2009·60 cites·19 claims
- 0592US4628627AProtective retainer for a magazineJOHNSON DAVID A·Filed 1985·Granted Dec 16, 1986·65 cites·26 claims
- 0692US4619062ASafety device for firearms using removable magazinesJOHNSON DAVID A·Filed 1985·Granted Oct 28, 1986·67 cites·20 claims
- 0791US8100525B2Curved lenses configured to decode three-dimensional content on television and computer screensJOHNSON DAVID A·Filed 2010·Granted Jan 24, 2012·8 cites·6 claims
- 0890US4709496ASafety device including chamber probeJOHNSON DAVID A·Filed 1986·Granted Dec 1, 1987·59 cites·19 claims
- 0990US4571872ADevice for attaching a front sling-receiving loop to a weaponJOHNSON DAVID A·Filed 1984·Granted Feb 25, 1986·48 cites·17 claims
- 1089US9816318B2Powered ladder for large industrial vehiclesJOHNSON DAVID A·Filed 2015·Granted Nov 14, 2017·11 cites·8 claims
- 1188US5069629AElectrical interconnect contact systemJOHNSON DAVID A·Filed 1991·Granted Dec 3, 1991·72 cites·6 claims
- 1287US9807925B2Robotic mower area coverage systemJOHNSON DAVID A·Filed 2010·Granted Nov 7, 2017·16 cites·10 claims
- 1386US7854506B1Curved lenses configured to decode three-dimensional content on television and computer screensJOHNSON DAVID A·Filed 2009·Granted Dec 21, 2010·19 cites·12 claims
- 1484US5207584AElectrical interconnect contact systemJOHNSON DAVID A·Filed 1991·Granted May 4, 1993·56 cites·4 claims
- 1583US4823998ASling for carrying shoulder weapon in a horizontal orientationJOHNSON DAVID A·Filed 1986·Granted Apr 25, 1989·39 cites·15 claims
- 1682US4505012ASling swivelJOHNSON DAVID A·Filed 1983·Granted Mar 19, 1985·34 cites·23 claims
- 1781US8182085B2Curved lenses configured to decode three-dimensional contentJOHNSON DAVID A·Filed 2011·Granted May 22, 2012·4 cites·11 claims
- 1877US7059502B2Sling for a shoulder weaponJOHNSON DAVID A·Filed 2003·Granted Jun 13, 2006·36 cites·7 claims
- 1977US4603498AExternally visible safety device for grenade launcherJOHNSON DAVID A·Filed 1985·Granted Aug 5, 1986·31 cites·14 claims
- 2070US7069624B2Attachment of a slingJOHNSON DAVID A·Filed 2004·Granted Jul 4, 2006·24 cites·25 claims
- 2167US4866870ARevolver speed loaderJOHNSON DAVID A·Filed 1988·Granted Sep 19, 1989·21 cites·2 claims
- 2265US6763755B2Extended lever for a firearmJOHNSON DAVID A·Filed 2003·Granted Jul 20, 2004·12 cites·17 claims
- 2361US11571349B2Adaptive ergonomic positioning deviceJOHNSON DAVID A·Filed 2019·Granted Feb 7, 2023·2 cites·17 claims
- 2461US4065868ARevolver speed loaderJOHNSON DAVID A·Filed 1976·Granted Jan 3, 1978·15 cites·8 claims
- 2558US2007138799A1Bedspring doorJOHNSON DAVID A·Filed 2006·Application pending·0 cites
- 2657US7618042B1Word forming tile gameJOHNSON DAVID A·Filed 2007·Granted Nov 17, 2009·0 cites·16 claims
- 2757USD313332SBarbeque grillJOHNSON DAVID A·Filed 1988·Granted Jan 1, 1991·7 cites·1 claims
- 2854US2010136840A1Apparatus for providing controlled impedance in an electrical contactJOHNSON DAVID A·Filed 2010·Application pending·0 cites
- 2953US8164983B2Fish finderJOHNSON DAVID A·Filed 2009·Granted Apr 24, 2012·2 cites·27 claims
- 3052US8419181B2Curved lenses configured to decode three-dimensional contentJOHNSON DAVID A·Filed 2012·Granted Apr 16, 2013·0 cites·14 claims
- 3150US2023125263A1Wall-Mounted Handheld UrinalJOHNSON DAVID A·Filed 2021·Application pending·0 cites
- 3247US2012058148A1Certain aminoalkyl glucosaminide phosphate compounds and their useJOHNSON DAVID A·Filed 2011·Application pending·0 cites
- 3345US8430505B2Curved lenses configured to decode three-dimensional contentJOHNSON DAVID A·Filed 2011·Granted Apr 30, 2013·0 cites·25 claims
- 3439US2011090454A1Curved corrective lenses configured to decode three-dimensional contentJOHNSON DAVID A·Filed 2010·Application pending·0 cites
- 3538US2014157907A1Meter bayonet tool and method of testing tension of meter socket jawsJOHNSON DAVID A·Filed 2012·Application pending·0 cites
- 3637US2006138597A1Combined high reliability contact metal/ ballast resistor/ bypass capacitor structure for power transistorsJOHNSON DAVID A·Filed 2004·Application pending·0 cites
- 3737US2005205963A1Integrated anneal cap/ ion implant mask/ trench isolation structure for III-V devicesJOHNSON DAVID A·Filed 2004·Application pending·0 cites
- 3833US2012029752A1Robotic Mower Stuck Detection SystemJOHNSON DAVID A·Filed 2010·Application pending·0 cites
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