HA

H. Ward Alter

TE Terradex: 3 patents #1 of 4Top 25%
📍 Walnut Creek, CA: #405 of 1,300 inventorsTop 35%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,303,597 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
RE33065 Compact detector for radon and radon daughter products Richard A. Oswald 1989-09-19
4518860 Compact detector for radon and radon daughter products Richard A. Oswald 1985-05-21
D269858 Compact radon detector unit 1983-07-26
4338523 Low cost disposable radiation detecting apparatus 1982-07-06