RP

Richard W. Proulx

FC Federal Cartridge: 6 patents #4 of 47Top 9%
FE Federal-Hoffman: 3 patents #6 of 35Top 20%
📍 Forest Lake, MN: #50 of 310 inventorsTop 20%
🗺 Minnesota: #8,331 of 52,454 inventorsTop 20%
Overall (All Time): #589,809 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5894645 Method of forming a non-toxic frangible bullet core John M. Hallis 1999-04-20
5852858 Non-toxic frangible bullet John M. Hallis 1998-12-29
5852255 Non-toxic frangible bullet core John M. Hallis 1998-12-22
5679920 Non-toxic frangible bullet John M. Hallis 1997-10-21
4590840 Flash hole closure for primer battery cups Stephen John KENT 1986-05-27
4514352 Shotshell casing with partially telescoped basewad Luke J. Davich, Jack Erickson 1985-04-30
4509428 Shotshell casing with partially telescoped basewad Luke J. Davich, Jack Erickson 1985-04-09
4481885 One-piece shotshell Jack Erickson, Luke J. Davich 1984-11-13
4332766 One-piece shotshell Jack Erickson, Luke J. Davich 1982-06-01