RZ

Richard Zavada

DR Dravo: 1 patents #27 of 74Top 40%
📍 Pittsburgh, PA: #4,559 of 7,570 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,979,183 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4683029 Circular solvent extractor John F. Oyler, Jerry Brand 1987-07-28