DS

David R. Sadler

JM Joy Manufacturing: 1 patents #39 of 116Top 35%
📍 Houston, TX: #12,319 of 21,073 inventorsTop 60%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,970,688 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4651970 Valve actuator with auxiliary energy storage means — 1987-03-24