RC

Richard S. Celmer

📍 Denver, CO: #2,551 of 4,554 inventorsTop 60%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #3,813,235 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5372630 Direct sulphidization fuming of zinc Kevin A. Foo, Rodney L. Leonard, John G. Whellock 1994-12-13