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Inventor

WELCH ROBERT F

US10 patents
⚠️ This page may combine multiple inventors who share the name “WELCH ROBERT F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ETHICON ENDO SURGERY INC

5 patents
US6117158ASep 12, 2000

Ratchet release mechanism for hand held instruments

ETHICON ENDO SURGERY INC2,023 citations99
US5792178AAug 11, 1998

Handle latching mechanism with release trigger

ETHICON ENDO SURGERY INC116 citations98
US5776150AJul 7, 1998

Suture assist device

ETHICON ENDO SURGERY INC184 citations96
US5601575AFeb 11, 1997

Needle driving device

ETHICON ENDO SURGERY INC103 citations96
US5908149AJun 1, 1999

Skin stapler with multi-directional release mechanism

ETHICON ENDO SURGERY INC301 citations95

ETHICON INC

2 patents
US5309927AMay 10, 1994

Circular stapler tissue retention spring method

ETHICON INC2,537 citations98
US5261920ANov 16, 1993

Anvil bushing for circular stapler

ETHICON INC418 citations98

ETHICON ENDO SURGERY

1 patent
US5501690AMar 26, 1996

Suturing device

ETHICON ENDO SURGERY174 citations97

ZEBCO CORP

1 patent
US4807827AFeb 28, 1989

Friction drive for line guide on bait cast reel

ZEBCO CORP20 citations81

GEN INSTRUMENT CORP

1 patent
US4186612AFeb 5, 1980

Tuner driving mechanism permitting play in location of input member

GEN INSTRUMENT CORP2 citations59