DE

Donald Ewing

TS Trc Services: 1 patents #3 of 7Top 45%
📍 Ossenvenne, TX: #2 of 3 inventorsTop 70%
🗺 Texas: #6,158 of 17,606 inventorsTop 35%
Overall (2019): #483,987 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10508522 Automatic sucker rod spacing device and methods of using same Michael Eric Johnson, Donald Mike Johnson, Joe Boyd, Danny Uselton 2019-12-17