RB

Richard A. Brautigan

DA Dover Associates: 1 patents #39 of 107Top 40%
📍 Tulsa, OK: #1,272 of 2,344 inventorsTop 55%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #4,054,968 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4395017 Butterfly valve sealing means having an improved O-ring groove 1983-07-26