RH

Robert W. Harper

SL Simon-Hartley Limited: 2 patents #6 of 12Top 50%
RI Rockwell International: 1 patents #839 of 2,155Top 40%
Caterpillar: 1 patents #4,437 of 8,398Top 55%
📍 Metamora, IL: #35 of 208 inventorsTop 20%
🗺 Illinois: #13,022 of 84,256 inventorsTop 20%
Overall (All Time): #720,828 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10663026 Belleville washer and Belleville spring 2020-05-26
6098748 Adjustable height tool bin system Tammy J. Harper 2000-08-08
5727281 Cone shaped mop wringer 1998-03-17
5129147 Sluice gate or penstock door Eric P. Austin 1992-07-14
5129195 Sluice gate or penstock door Eric P. Austin 1992-07-14
4667138 Multiplexed synchro driver 1987-05-19
4279348 Adjustable double link mounting Robert A. Kleiber 1981-07-21