DS

Douglas F. Koeppe, Sr.

📍 Wimberley, TX: #27 of 59 inventorsTop 50%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,410,328 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7012180 Apparatus and method for adjusting stringed musical instruments for fretted and unfretted play Douglas F. Koeppe, Jr. 2006-03-14