WV

William E. VerMeulen

TU The Upjohn: 1 patents #289 of 528Top 55%
Overall (All Time): #3,949,121 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4734194 Combined filter and valve mechanism Andrew E. Kalman, Melvin C. Tyler, Thomas M. Boersma 1988-03-29