Inventor

SHEEHAN JOHN P

US6 patents

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

CALLAWAY GOLF CO

2 patents

US5180166AJan 19, 1993

Hollow, metallic golf club head with dendritic structure

CALLAWAY GOLF CO230 citations98

US5067715ANov 26, 1991

Hollow, metallic golf club head with dendritic structure

CALLAWAY GOLF CO299 citations98

NIEMIN PORTER & CO INC

1 patent

US5651409AJul 29, 1997

Investment casting gating for metal wood golf club heads

NIEMIN PORTER & CO INC66 citations92

UNIV TEXAS SYSTEMS

1 patent

US7125841B2Oct 24, 2006

Mutant human factor IX with an increased resistance to inhibition by heparin

UNIV TEXAS SYSTEMS20 citations90

NIEMIN PORTER & CO D B A CAST

1 patent

US5538798AJul 23, 1996

Investment casting gating for metal wood golf club heads

NIEMIN PORTER & CO D B A CAST13 citations76

NIEMIN PORTER & CO

1 patent

US5651408AJul 29, 1997

Investment casting gating for metal wood golf club heads

NIEMIN PORTER & CO6 citations67