Inventor · disambiguated record
Frederic E. Langford
Also filed as: LANGFORD FREDERIC E
6 granted patents·255 citations·filing 1975–1989
86Inventor score
Top patents by PatentIndex Score
6 records- 0192US4953919ATrack suspension systemPHOENIX ENGINEERING INC·Filed 1989·Granted Sep 4, 1990·100 cites·9 claims
- 0288US4823852ATree feller-buncherALLIED SYST CO·Filed 1988·Granted Apr 25, 1989·63 cites·22 claims
- 0381US4011694AMethod and apparatus for guying a load bearing memberFORMAC INT INC·Filed 1975·Granted Mar 15, 1977·45 cites·20 claims
- 0479US4763742ATree feller-buncherALLIED SYST CO·Filed 1987·Granted Aug 16, 1988·39 cites·35 claims
- 0534US4353527ASystem for inhauling and outhauling linesWASHINGTON LOGGING EQUIPMENT I·Filed 1981·Granted Oct 12, 1982·6 cites·5 claims
- 0627US4295636ASystem for inhauling and outhauling linesWASHINGTON LOGGING EQUIPMENT I·Filed 1978·Granted Oct 20, 1981·2 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Frederic E. Langford files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →