WK

William F. Koch

BI Bachmann Industries: 1 patents #2 of 2Top 100%
📍 Lewiston, ME: #1 of 5 inventorsTop 20%
🗺 Maine: #16 of 153 inventorsTop 15%
Overall (1989): #13,091 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4823836 Dampers with leaf spring seals Lothar Bachmann 1989-04-25
4821507 Gas flow diverter Lothar Bachmann 1989-04-18