Inventor · disambiguated record
Douglas A. Keehn, Jr.
Also filed as: KEEHN JR DOUGLAS A · KEEHN JR DOUGLAS ALLEN
3 granted patents·63 citations·filing 1995–1996
73Inventor score
Files withRAY IND INC3
Top patents by PatentIndex Score
3 records- 0174US5570730ASpill resistant fuel cap and ventilation systemRAY IND INC·Filed 1995·Granted Nov 5, 1996·31 cites·12 claims
- 0262US5505644ASubmerged marine exhaust systemRAY IND INC·Filed 1995·Granted Apr 9, 1996·18 cites·6 claims
- 0360US5700172ASubmerged marine exhaust systemRAY IND INC·Filed 1996·Granted Dec 23, 1997·14 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Douglas A. Keehn, Jr. 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 →