DU

Don G. Umble

GE: 1 patents #19,878 of 36,430Top 55%
📍 San Martin, CA: #61 of 93 inventorsTop 70%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,013,675 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4512179 Instrument for calibrating pressure gauges Tsi-Pin Choong, Kenneth R. Izzo, Charles E. Burdg, Gary H. Hankin, Charles A. Dalke 1985-04-23