Inventor · disambiguated record
Philip A. Tyrrell
Also filed as: TYRRELL PHILIP A
3 granted patents·78 citations·filing 1974–1994
74Inventor score
Top patents by PatentIndex Score
3 records- 0180US5537927AApparatus and method for precisely drilling alignment pin register holes in pre-marked flexible printing platesTENSION ENVELOPE CORP·Filed 1994·Granted Jul 23, 1996·34 cites·34 claims
- 0268US3953901AToilet stool ventilating meansPK PROD INC·Filed 1974·Granted May 4, 1976·28 cites·4 claims
- 0358US5511479ASystem and method for providing pin register holes in flexible printing plates and apparatus and method for aligning plates on a flexographic printing press plate cylinderTENSION ENVELOPE CORP·Filed 1994·Granted Apr 30, 1996·16 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →