RJ

Ralph H. Kurtzman, Jr.

US USDA: 1 patents #1,162 of 2,828Top 45%
📍 Berkeley, CA: #2,417 of 3,731 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,070,987 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4333757 Mushroom-growing medium — 1982-06-08