DH

Duane E. Hahka

📍 Atlantic Mine, MI: #19 of 24 inventorsTop 80%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,573,517 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6193261 Quick release hitch pin — 2001-02-27