RP

Robert A. Pennison

DI Dresser Industries: 5 patents #50 of 787Top 7%
IN Indresco: 3 patents #3 of 35Top 9%
GH Gpx Holding: 1 patents #3 of 17Top 20%
📍 Bellville, TX: #4 of 38 inventorsTop 15%
🗺 Texas: #16,798 of 125,132 inventorsTop 15%
Overall (All Time): #591,144 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5588903 Ergonomic power tool 1996-12-31
5573074 Gear shifting power tool Bruce A. Thames 1996-11-12
5347764 Handle arrangement for air power tool 1994-09-20
5295770 Air feed peck drill with pneumatic safety system Richard E. Eckman 1994-03-22
4799833 Clutch for positive feed drill Paul A. Biek 1989-01-24
4702650 Positive feed drill use counter Robert F. Golwas, Richard E. Eckman 1987-10-27
4683682 Safety lever for portable power tool 1987-08-04
4681490 Retraction apparatus for automatic feed drills or the like Richard E. Eckman 1987-07-21
4592681 Retraction apparatus for automatic feed drills or the like Richard E. Eckman 1986-06-03