RW

Robert J. Welchel

EE Elevator Equipment: 1 patents #4 of 5Top 80%
📍 Dunwoody, GA: #261 of 471 inventorsTop 60%
🗺 Georgia: #19,796 of 35,610 inventorsTop 60%
Overall (All Time): #4,108,619 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4194534 Pressure and temperature compensating hydraulic valve William A. P. Lawrence 1980-03-25