WW

Wilfred G. Williamson

📍 Lethbridge, CA: #39 of 172 inventorsTop 25%
Overall (All Time): #2,338,622 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4770252 Harrow 1988-09-13
4685524 Reciprocating harrow with parker 1987-08-11