Inventor · disambiguated record
Fred P. Perna
Also filed as: PERNA FRED P
3 granted patents·60 citations·filing 1986–1987
73Inventor score
Files withPERNA FRED P3
Top patents by PatentIndex Score
3 records- 0163US4726044AWriting instrument with solar-powered electronic counting and liquid cyrstal displayPERNA FRED P·Filed 1986·Granted Feb 16, 1988·25 cites·5 claims
- 0255US4833697AWriting instrument for electronic counting and gravity switch resetPERNA FRED P·Filed 1987·Granted May 23, 1989·18 cites·5 claims
- 0330US4694506AFoldable eyeshadePERNA FRED P·Filed 1987·Granted Sep 22, 1987·17 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →