Assignee
DUPONT S T
FR·93 granted patents·1,174 citations·filing 1974–2019
Top patents by PatentIndex Score
93 records- 0198USD287705SWatchbandDUPONT S T·Filed 1984·Granted Jan 13, 1987·83 cites·1 claims
- 0296USD323529SWriting instrumentDUPONT S T·Filed 1988·Granted Jan 28, 1992·58 cites·1 claims
- 0392USD367673SFountain penDUPONT S T·Filed 1994·Granted Mar 5, 1996·39 cites·1 claims
- 0489USD258069SWriting instrumentDUPONT S T·Filed 1979·Granted Jan 27, 1981·23 cites·1 claims
- 0588USD247501SFountain penDUPONT S T·Filed 1976·Granted Mar 14, 1978·21 cites·1 claims
- 0687USD579048SPenDUPONT S T·Filed 2007·Granted Oct 21, 2008·33 cites·1 claims
- 0787USD391606SFountain penDUPONT S T·Filed 1997·Granted Mar 3, 1998·31 cites·1 claims
- 0887USD314639SCigar cutterDUPONT S T·Filed 1989·Granted Feb 12, 1991·24 cites·1 claims
- 0986US4177646ALiquefied gas apparatusDUPONT S T·Filed 1977·Granted Dec 11, 1979·42 cites·14 claims
- 1085USD401512SWristwatchDUPONT S T·Filed 1997·Granted Nov 24, 1998·23 cites·1 claims
- 1185USD367887SBall-point penDUPONT S T·Filed 1994·Granted Mar 12, 1996·22 cites·1 claims
- 1285USD326822SWrist-watchDUPONT S T·Filed 1989·Granted Jun 9, 1992·26 cites·1 claims
- 1384USD833671SLighterDUPONT S T·Filed 2017·Granted Nov 13, 2018·24 cites·1 claims
- 1483US3938943ASecurity device for a portable lighterDUPONT S T·Filed 1974·Granted Feb 17, 1976·34 cites·6 claims
- 1581USD363808SLighterDUPONT S T·Filed 1994·Granted Oct 31, 1995·23 cites·1 claims
- 1680USD625466SLighter for smokersDUPONT S T·Filed 2010·Granted Oct 12, 2010·28 cites·1 claims
- 1780USD331259SFountain penDUPONT S T·Filed 1990·Granted Nov 24, 1992·18 cites·1 claims
- 1880USD297021SFountain penDUPONT S T·Filed 1985·Granted Aug 2, 1988·14 cites·1 claims
- 1980USD251301SWriting instrumentDUPONT S T·Filed 1977·Granted Mar 13, 1979·14 cites·1 claims
- 2079USD326821SWrist-watchDUPONT S T·Filed 1989·Granted Jun 9, 1992·18 cites·1 claims
- 2178USD447275SLighterDUPONT S T·Filed 2000·Granted Aug 28, 2001·26 cites·1 claims
- 2278US4809551ADevice for detecting the liquid level in a tank, particularly a lighter tank and tank provided with such deviceDUPONT S T·Filed 1985·Granted Mar 7, 1989·36 cites·2 claims
- 2378USD242855SFountain penDUPONT S T·Filed 1974·Granted Dec 28, 1976·23 cites·1 claims
- 2477USD809706SLighterDUPONT S T·Filed 2015·Granted Feb 6, 2018·19 cites·1 claims
- 2577USD271472SWatchcaseDUPONT S T·Filed 1980·Granted Nov 22, 1983·14 cites·1 claims
- 2676USD855876SLighterDUPONT S T·Filed 2018·Granted Aug 6, 2019·15 cites·1 claims
- 2776USD274338SCombined writing instrument and capDUPONT S T·Filed 1980·Granted Jun 19, 1984·10 cites·1 claims
- 2874USD399777SBracelet for watchDUPONT S T·Filed 1997·Granted Oct 20, 1998·13 cites·1 claims
- 2974USD274628SWriting instrumentDUPONT S T·Filed 1980·Granted Jul 10, 1984·9 cites·1 claims
- 3073USD303997SKey-ringDUPONT S T·Filed 1986·Granted Oct 17, 1989·14 cites·1 claims
- 3173USD263898SPurseDUPONT S T·Filed 1979·Granted Apr 20, 1982·12 cites·1 claims
- 3272USD247394SLuggage caseDUPONT S T·Filed 1976·Granted Feb 28, 1978·12 cites·1 claims
- 3372US3950960AProcess for storing a liquefied gas for its distribution in gaseous formDUPONT S T·Filed 1974·Granted Apr 20, 1976·22 cites·9 claims
- 3470USD333486SBall point penDUPONT S T·Filed 1990·Granted Feb 23, 1993·12 cites·1 claims
- 3569USD337951SSmall clockDUPONT S T·Filed 1991·Granted Aug 3, 1993·14 cites·1 claims
- 3669USD251302SWriting instrumentDUPONT S T·Filed 1977·Granted Mar 13, 1979·9 cites·1 claims
- 3768USD401513SWatchcaseDUPONT S T·Filed 1997·Granted Nov 24, 1998·10 cites·1 claims
- 3868USD317365SLighterDUPONT S T·Filed 1989·Granted Jun 4, 1991·11 cites·1 claims
- 3968USD274339SWriting instrument capDUPONT S T·Filed 1980·Granted Jun 19, 1984·7 cites·1 claims
- 4067USD622768SPenDUPONT S T·Filed 2009·Granted Aug 31, 2010·14 cites·1 claims
- 4166USD267053SBillfoldDUPONT S T·Filed 1979·Granted Nov 30, 1982·9 cites·1 claims
- 4264USD295985SBall point penDUPONT S T·Filed 1985·Granted May 31, 1988·7 cites·1 claims
- 4362USD401514SWatchcaseDUPONT S T·Filed 1997·Granted Nov 24, 1998·8 cites·1 claims
- 4462USD396420SWristwatchDUPONT S T·Filed 1997·Granted Jul 28, 1998·8 cites·1 claims
- 4560USD579049SPenDUPONT S T·Filed 2007·Granted Oct 21, 2008·10 cites·1 claims
- 4659USD269329SAlarm clock caseDUPONT S T·Filed 1980·Granted Jun 14, 1983·7 cites·1 claims
- 4758USD440604SFountain penDUPONT S T·Filed 2000·Granted Apr 17, 2001·8 cites·1 claims
- 4858USD440603SBall point penDUPONT S T·Filed 2000·Granted Apr 17, 2001·8 cites·1 claims
- 4958USD283875SWatchcaseDUPONT S T·Filed 1983·Granted May 20, 1986·6 cites·1 claims
- 5058US4544297ABall point pen ventingDUPONT S T·Filed 1983·Granted Oct 1, 1985·15 cites·6 claims
Showing the top 50 of 93 patent records by PatentIndex Score.
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