DB

David A. Burnham

SC Swisher Mower & Machine Co.: 1 patents #4 of 5Top 80%
📍 Shawnee, KS: #158 of 399 inventorsTop 40%
🗺 Kansas: #4,268 of 12,005 inventorsTop 40%
Overall (All Time): #2,283,673 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5378868 Shut off check valve for a welding gun James F. Burkhardt, Ronald R. Matheson, Daniel Burnham 1995-01-03
5134838 Mower pick-up broom Max B. Swisher 1992-08-04