Inventor · disambiguated record

James R. Duffield

Also filed as: DUFFIELD JAMES R

2 granted patents·149 citations·filing 1980–1989

69Inventor score

Technology areasA47G A61J

Files withABBOTT LAB1 JACOBSON JEFFREY A1

Top patents by PatentIndex Score

2 records

0182US4951855ACounter stress beam hangersJACOBSON JEFFREY A·Filed 1989·Granted Aug 28, 1990·54 cites·37 claims
0276US4286640ATamperproof port coverABBOTT LAB·Filed 1980·Granted Sep 1, 1981·95 cites·13 claims

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