JT

John C. Tompkins

📍 Oklahoma City, OK: #8 of 57 inventorsTop 15%
🗺 Oklahoma: #151 of 749 inventorsTop 25%
Overall (1989): #92,516 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4857820 Cordless battery charger Charles E. Cook 1989-08-15