Inventor · disambiguated record
Doud Roger Branham
Also filed as: BRANHAM DOUD R · BRANHAM DOUD ROGER
5 granted patents·266 citations·filing 1974–1992
85Inventor score
Top patents by PatentIndex Score
5 records- 0185US4009611AHand-held micropipettor with improved pipette tip ejectorOXFORD LAB·Filed 1976·Granted Mar 1, 1977·56 cites·5 claims
- 0284US5324480ALiquid handling systemHAMILTON CO·Filed 1992·Granted Jun 28, 1994·71 cites·18 claims
- 0382US4518001ACoin handling apparatusINT GAME TECH·Filed 1982·Granted May 21, 1985·89 cites·10 claims
- 0482US4054062AHand-held micropipettor with improved accuracy of liquid volumes transferredOXFORD LAB·Filed 1976·Granted Oct 18, 1977·35 cites·12 claims
- 0563US3987934AVolume setting mechanism for fluid discharge devicesOXFORD LAB·Filed 1974·Granted Oct 26, 1976·15 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Doud Roger Branham 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 →