Inventor · disambiguated record
Allen R. Obergfell
Also filed as: OBERGFELL ALLEN R
4 granted patents·298 citations·filing 1973–1984
83Inventor score
Files withDUO FAST CORP4
Top patents by PatentIndex Score
4 records- 0196US3930297AFastener feed apparatus and methodDUO FAST CORP·Filed 1973·Granted Jan 6, 1976·103 cites·23 claims
- 0295US4014488AFastener feed apparatus and methodDUO FAST CORP·Filed 1975·Granted Mar 29, 1977·77 cites·6 claims
- 0389US4606455ACollated fastener stripDUO FAST CORP·Filed 1984·Granted Aug 19, 1986·75 cites·5 claims
- 0486US4294391AFastener driving toolDUO FAST CORP·Filed 1979·Granted Oct 13, 1981·43 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Allen R. Obergfell 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 →