JG

John D. Gearheart

SD Systron Donner: 1 patents #16 of 35Top 50%
📍 Folsom, CA: #933 of 1,500 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,111,037 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4200876 Water level recorder Frederic W. Jenkinson 1980-04-29