Inventor · disambiguated record
John Lee Ketchum
Also filed as: KETCHUM JOHN L · KETCHUM JOHN LEE
7 granted patents·170 citations·filing 1978–2008
86Inventor score
Top patents by PatentIndex Score
7 records- 0185US4553751ARebound apparatusKETCHUM JOHN L·Filed 1984·Granted Nov 19, 1985·71 cites·8 claims
- 0274US6585263B1Deceleration drum assembly containing air guidesHEIDELBERGER DRUCKMASCH AG·Filed 2000·Granted Jul 1, 2003·17 cites·14 claims
- 0373US4186922AFootball offensive player training apparatusKETCHUM JOHN L·Filed 1978·Granted Feb 5, 1980·36 cites·9 claims
- 0465US8002689B2Folder with signature removal and slowdown processGOSS INT AMERICAS INC·Filed 2006·Granted Aug 23, 2011·3 cites·8 claims
- 0559US4258924ASoccer training apparatusKETCHUM JOHN L·Filed 1979·Granted Mar 31, 1981·24 cites·2 claims
- 0640US8556791B2Folder with signature removal and slowdown processWHITTEN DAVE ELLIOTT·Filed 2008·Granted Oct 15, 2013·0 cites·7 claims
- 0740US6439562B1Pre-cylinder signature collectorHEIDELBERGER DRUCKMASCH AG·Filed 1999·Granted Aug 27, 2002·19 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →