JH

John M. Hallis

FE Federal-Hoffman: 2 patents #3 of 12Top 25%
📍 Buffalo, MN: #1 of 9 inventorsTop 15%
🗺 Minnesota: #307 of 3,156 inventorsTop 10%
Overall (1997): #35,529 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5679920 Non-toxic frangible bullet Richard W. Proulx 1997-10-21
5610367 Non-toxic rim-fire primer Jack Erickson, John M. Melberg, Robert L. Kramer 1997-03-11