DL

Donald L. Ledbetter

📍 Oklahoma City, OK: #739 of 1,463 inventorsTop 55%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,584,719 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6244705 Auxiliary corrective eyeglasses for use with primary eyeglasses Samuel C. Oliphant 2001-06-12