Inventor · disambiguated record
Derrick O. Perkins
Also filed as: PERKINS DERRICK O · PERKINS SR DERRICK
5 granted patents·49 citations·filing 1978–2005
80Inventor score
Top patents by PatentIndex Score
5 records- 0177US4239992AFrequency tracking adjustable duty cycle ratio pulse generatorTELEX COMPUTER PRODUCTS·Filed 1978·Granted Dec 16, 1980·18 cites·4 claims
- 0253US7410434B2Archery broadhead with replaceable bladesLIBERTY RES CO·Filed 2005·Granted Aug 12, 2008·3 cites·18 claims
- 0350US6875138B2Archery broadhead with replaceable bladesLIBERTY RES CO·Filed 2003·Granted Apr 5, 2005·6 cites·23 claims
- 0449US4695805AApparatus for generating signals synchronized to an unstable external signalONLINE COMPUTER SYSTEMS INC·Filed 1985·Granted Sep 22, 1987·11 cites·7 claims
- 0542US4404680ADigital phase synchronizerTELEX COMPUTER PRODUCTS·Filed 1980·Granted Sep 13, 1983·11 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →