HJ

Hamilton C. de Jong

UN Unknown: 1 patents #29,356 of 83,584Top 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,371,621 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4299403 Wheeled carrier for hand luggage and the like William R. Brewer 1981-11-10
4287619 Multi-purpose chair for the partially disabled William R. Brewer 1981-09-08