RW

Richard B. Wilhelmy

AA Aluminum Company Of America: 1 patents #495 of 1,017Top 50%
BI Biotage: 1 patents #11 of 21Top 55%
📍 Vandergrift, PA: #132 of 285 inventorsTop 50%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,321,688 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4900537 Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration — 1990-02-13
4822593 Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration — 1989-04-18