DE

Donald Ewing

TS Trc Services: 2 patents #1 of 5Top 20%
📍 Ossenvenne, TX: #1 of 2 inventorsTop 50%
🗺 Texas: #2,895 of 16,780 inventorsTop 20%
Overall (2021): #166,071 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11199053 Sucker rod with adhesive-attached end piece Donald Mike Johnson, Michael Eric Johnson 2021-12-14
11168549 Automated sucker rod spacing device and associated methods Michael Eric Johnson, Donald Mike Johnson, Joe Boyd, Danny Uselton 2021-11-09