TD

Thomas W. Donaldson

📍 Signal Hill, CA: #29 of 83 inventorsTop 35%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,663,719 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4994116 Wheel device for removing fluid from a fluid carrying chain 1991-02-19
4712667 Device for recovering fluid from a well Owen E. Jackson 1987-12-15
4636145 Down-well pump device 1987-01-13