DF

Douglas W. Friggstad

FL Flexi-Coil: 1 patents #28 of 48Top 60%
📍 Saskatoon, CA: #485 of 909 inventorsTop 55%
Overall (All Time): #3,661,427 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5957219 Agricultural adjustable closing tool for use with a cutting implement — 1999-09-28