Inventor · disambiguated record
John R. Pfeffer
Also filed as: PFEFFER JOHN R
3 granted patents·125 citations·filing 1978–1979
76Inventor score
Files withCONS FIBERGLASS PROD3
Top patents by PatentIndex Score
3 records- 0180US4135029AFiberglass matCONS FIBERGLASS PROD·Filed 1978·Granted Jan 16, 1979·64 cites·18 claims
- 0271US4294655AMethod and apparatus for forming fiberglass matsCONS FIBERGLASS PROD·Filed 1979·Granted Oct 13, 1981·25 cites·14 claims
- 0369US4250221AFiberglass matCONS FIBERGLASS PROD·Filed 1978·Granted Feb 10, 1981·36 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →