Inventor · disambiguated record
David Holligan
Also filed as: HOLLIGAN DAVID
3 granted patents·68 citations·filing 1989–1991
73Inventor score
Technology areasF16L
Files withUNION OIL CO3
Top patents by PatentIndex Score
3 records- 0174US5069485ABrittle lined pipe connectorUNION OIL CO·Filed 1989·Granted Dec 3, 1991·41 cites·4 claims
- 0258US5236231ABrittle lined pipe connectorUNION OIL CO·Filed 1991·Granted Aug 17, 1993·22 cites·10 claims
- 0330US5240293ABrittle lined pipe connectorUNION OIL CO·Filed 1991·Granted Aug 31, 1993·5 cites·14 claims
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