JD

Johannus J. DeGroot

📍 Campbell, CA: #1,569 of 2,187 inventorsTop 75%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,716,969 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5634638 Portable, retractable sports enclosure Ronald W. Havens, William J. McMillan 1997-06-03