DU

Douglas W. Unkrey

📍 Anaheim, CA: #477 of 1,337 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,359,528 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D275381 Human powered vehicle Fred D. Fernandes, John M. Speicher, Allan A. Voigt 1984-09-04
4410198 Human powered vehicle Fred D. Fernandez, John M. Speicher, Allan A. Voigt 1983-10-18