DS

Donald Schweitz

📍 Winnipeg, CA: #791 of 1,797 inventorsTop 45%
Overall (All Time): #4,036,309 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4455034 Transport device for pull-type swathers and the like Peter de Graff 1984-06-19