Inventor · disambiguated record
Larry L. Langrehr
Also filed as: LANGREHR LARRY L
3 granted patents·23 citations·filing 1975–1978
67Inventor score
Files withBELL & HOWELL CO3
Top patents by PatentIndex Score
3 records- 0173US4045136AControl system for photographic film printersBELL & HOWELL CO·Filed 1975·Granted Aug 30, 1977·10 cites·31 claims
- 0272US4009959AExposure control unitBELL & HOWELL CO·Filed 1975·Granted Mar 1, 1977·11 cites·26 claims
- 0327US4180321AControl system for photographic film printerBELL & HOWELL CO·Filed 1978·Granted Dec 25, 1979·2 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Larry L. Langrehr 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 →