Inventor · disambiguated record
Frederick D. Stringer
Also filed as: STRINGER FREDERICK D · STRINGER FREDERICK DAVID · STRINGER JR FREDERICK DAVID
6 granted patents·126 citations·filing 1976–2013
84Inventor score
Top patents by PatentIndex Score
6 records- 0184US4390385AHeat sealable, multi-ply polypropylene filmGRACE W R & CO CRYOVAC DIV·Filed 1981·Granted Jun 28, 1983·41 cites·4 claims
- 0280US4439478AHeat sealable, multi-ply polypropylene filmGRACE W R & CO CRYOVAC DIV·Filed 1982·Granted Mar 27, 1984·38 cites·6 claims
- 0373US4287151AMethod and apparatus for high speed extrusion of thermoplastic materialsGRACE W R & CO·Filed 1976·Granted Sep 1, 1981·31 cites·17 claims
- 0447US4242297AWinding core for heat shrinkable film materialGRACE W R & CO·Filed 1979·Granted Dec 30, 1980·8 cites·1 claims
- 0542US9604423B2Tire mold with improved durabilityMICHELIN & CIE·Filed 2013·Granted Mar 28, 2017·0 cites·17 claims
- 0640US4114756AWinding core for heat shrinkable film materialGRACE W R & CO·Filed 1976·Granted Sep 19, 1978·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →