JH

John M. Hallis

FE Federal-Hoffman: 6 patents #3 of 35Top 9%
FC Federal Cartridge: 1 patents #26 of 47Top 60%
Overall (All Time): #763,210 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5894645 Method of forming a non-toxic frangible bullet core Richard W. Proulx 1999-04-20
5852858 Non-toxic frangible bullet Richard W. Proulx 1998-12-29
5852255 Non-toxic frangible bullet core Richard W. Proulx 1998-12-22
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
5547528 Non-toxic primer Jack Erickson, Robert L. Kramer 1996-08-20
5466315 Non-toxic primer for center-fire cartridges Jack Erickson, Robert L. Kramer 1995-11-14