Inventor · disambiguated record
John S. Clark
Also filed as: CLARK JOHN · CLARK JOHN S · CLARK JOHN STEPHEN · MITCHELL WILLIAM A
12 granted patents·248 citations·filing 1977–2013
92Inventor score
Top patents by PatentIndex Score
12 records- 0187US4122755ASelf-locking chuckEX CELL O CORP·Filed 1977·Granted Oct 31, 1978·44 cites·6 claims
- 0283US7371034B2Drilling attachmentCLARK JOHN·Filed 2003·Granted May 13, 2008·19 cites·81 claims
- 0380US5567042AReflector for flat panel display backlight unitALLEN BRADLEY CO·Filed 1994·Granted Oct 22, 1996·47 cites·20 claims
- 0475US5301408AGarter spring coupling release toolR & B INC·Filed 1992·Granted Apr 12, 1994·36 cites·5 claims
- 0571US4131054AHigh speed spindle and draw bar assemblyEX CELL O CORP·Filed 1977·Granted Dec 26, 1978·22 cites·19 claims
- 0667US4443954AMasonry guideCLARK JOHN S·Filed 1982·Granted Apr 24, 1984·22 cites·10 claims
- 0763US9390868B2Switch assembly for disconnect operatorCLARK JOHN STEPHEN·Filed 2013·Granted Jul 12, 2016·2 cites·17 claims
- 0859US4148246AHigh speed spindle and draw bar assemblyEX CELL O CORP·Filed 1978·Granted Apr 10, 1979·15 cites·12 claims
- 0954US4211454AAntifriction bearing supportBRYANT GRINDER CORP·Filed 1978·Granted Jul 8, 1980·12 cites·18 claims
- 1053US8809698B2Housing-captured component carrier for reducing fastenersCLARK JOHN S·Filed 2011·Granted Aug 19, 2014·2 cites·19 claims
- 1149US6082786ADoor latch assembly with integral springTEXTRON AUTOMOTIVE CO INC·Filed 1999·Granted Jul 4, 2000·16 cites·11 claims
- 1246US4585136AAttachment of rings to articlesBAJ VICKERS LTD·Filed 1982·Granted Apr 29, 1986·11 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →