WB

William L. Burchett

DC Donaldson Company: 1 patents #454 of 695Top 70%
📍 Grinnell, IA: #18 of 30 inventorsTop 60%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,914,931 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4969537 Muffler assembly and method of manufacture Wayne M. Wagner, John Campbell, John S. Wiese, John Hiemstra, Timothy A. Bethke 1990-11-13