DW

Donald F. Witteman

📍 Tustin, CA: #795 of 1,327 inventorsTop 60%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,026,653 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4560165 Golf practice device Frank Witteman, Richard T. Witteman 1985-12-24