OB

Oswald Bergman

The Dow Chemical: 2 patents #1,449 of 4,115Top 40%
📍 Freeland, MI: #64 of 137 inventorsTop 50%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,364,607 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4419167 Heat sealing apparatus and method Robert A. Hay, II 1983-12-06
4292019 Extruded plastic foam shaping apparatus Robert A. Hay, II 1981-09-29