Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D418896 | Combination weapon | Paul Andrew Shipley, Frederick Stephen Brown, Sr., Mark Mayo, George Ronald Christ, David O. Cleveland | 2000-01-11 |
| 4656919 | Sabot/gun gas diverter | Anthony L. Farinacci, Steven G. Witkin | 1987-04-14 |
| 4267764 | Arrangement for use in projectile launch simulation | — | 1981-05-19 |