JM

John M. Melberg

FC Federal Cartridge: 1 patents #26 of 47Top 60%
FE Federal-Hoffman: 1 patents #18 of 35Top 55%
📍 Andover, MN: #166 of 333 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,255,325 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5993577 Lead-free, heavy-metal-free rim-fire priming composition dedicated for Ralph B. Lynn Jack Erickson, Joel Sandstrom 1999-11-30
5610367 Non-toxic rim-fire primer Jack Erickson, Robert L. Kramer, John M. Hallis 1997-03-11