Inventor · disambiguated record
John J. Keegan, Jr.
Also filed as: KEEGAN JR JOHN J
6 granted patents·831 citations·filing 1979–1990
89Inventor score
Files withDU PONT6
Top patents by PatentIndex Score
6 records- 0198US4853602ASystem for using synchronous secondaries of a linear motor to biaxially draw plastic filmsDU PONT·Filed 1988·Granted Aug 1, 1989·215 cites·26 claims
- 0298US4825111ALinear motor propulsion systemDU PONT·Filed 1987·Granted Apr 25, 1989·150 cites·57 claims
- 0397US4675582ASystem useful for controlling multiple synchronous secondaries of a linear motor along an elongated pathDU PONT·Filed 1985·Granted Jun 23, 1987·157 cites·31 claims
- 0496US5072493AApparatus for drawing plastic film in a tenter frameDU PONT·Filed 1990·Granted Dec 17, 1991·168 cites·2 claims
- 0596US5051225AMethod of drawing plastic film in a tenter frameDU PONT·Filed 1988·Granted Sep 24, 1991·127 cites·7 claims
- 0662US4282431ABar code scannerDU PONT·Filed 1979·Granted Aug 4, 1981·14 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →