DO

Donald J. Obernberger

📍 Tustin, CA: #555 of 1,327 inventorsTop 45%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,295,297 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5324002 Method and apparatus for lifting 1994-06-28
5193784 Method and apparatus for lifting 1993-03-16