IH

I. David Hill

📍 Grand Rapids, MI: #12 of 63 inventorsTop 20%
🗺 Michigan: #694 of 3,452 inventorsTop 25%
Overall (1989): #102,750 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4819345 Waterproof shoe construction and manufacture John Mulcahy 1989-04-11