Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699041 | Self-assessing target with automatic feedback | Stephen W. Larkin | 2004-03-02 |
| 6202561 | Shotshell having pellets of different densities in stratified layers | Lawrence P. Head, J. Bruce Warren, David C. Longren | 2001-03-20 |
| 5610367 | Non-toxic rim-fire primer | Jack Erickson, John M. Melberg, John M. Hallis | 1997-03-11 |
| 5547528 | Non-toxic primer | Jack Erickson, John M. Hallis | 1996-08-20 |
| 5466315 | Non-toxic primer for center-fire cartridges | Jack Erickson, John M. Hallis | 1995-11-14 |
| 5460274 | Hanging bike rack | — | 1995-10-24 |
| 5175389 | Frontally guided sabot bullet | David C. Longren, Jerry J. Rubatt | 1992-12-29 |