WT

Walter A. Trumbull

The Dow Chemical: 2 patents #1,449 of 4,115Top 40%
CO Conair: 1 patents #180 of 315Top 60%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,643,483 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5629028 Underwater pelletizer having sealed heat transfer tubes embedded in extrusion die 1997-05-13
4360612 Agglomerate-free, bubble-free, high barrier vinylidene chloride polymer films and process of preparation Angela J. Williams 1982-11-23
4355905 Adjustable plug seal mechanism for heat transfer zone separation in hollow screws for extrusion machines Harold E. St. Louis 1982-10-26