Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4726962 | Alternating segment ring structure | Paul A. Siemers, Melvin Robert Jackson | 1988-02-23 |
| 4657823 | Alternating segment ring structure | Paul A. Siemers, Melvin Robert Jackson | 1987-04-14 |
| 4577431 | Wear resistant gun barrel and method of forming | Paul A. Siemers, Melvin Robert Jackson, Steven R. Duke, David P. Perrin, Ying Liu | 1986-03-25 |
| 4537742 | Method for controlling dimensions of RSPD articles | Paul A. Siemers, Melvin Robert Jackson | 1985-08-27 |