RJ

Ralph H. Kurtzman, Jr.

US USDA: 1 patents #6 of 87Top 7%
📍 Berkeley, CA: #10 of 52 inventorsTop 20%
🗺 California: #1,105 of 6,198 inventorsTop 20%
Overall (1982): #19,493 of 81,411Top 25%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

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