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John Sawka

HP Hastings Fiber Glass Products: 1 patents #5 of 16Top 35%
📍 Cascade Charter Township, MI: #4 of 5 inventorsTop 80%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,799,457 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5319823 Conductor cleaning brush with manually graspable handle adapted for mounting on shotgun stick Larry R. Baum, David F. Hamilton, John Carpenter 1994-06-14