Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966858 | Baffled muzzle brake and seal system for submerged gun operation | Clifford M. Curtis, Gary R. Berlam, Ivan N. Kirschner | 1999-10-19 |
| 5911568 | Regulated gas source for underwater gun operation | Ivan N. Kirschner, Richard L. Bonin, James E. Mulherin | 1999-06-15 |
| 5687501 | Sealing apparatus for exclusion of water from underwater gun barrels | Joseph J Stace, Ivan N. Kirschner | 1997-11-18 |
| 5648631 | Spooled tape seal for underwater gun operation | Ivan N. Kirschner, Richard B. Philips | 1997-07-15 |
| 5367970 | Controllable camber fin | Charles H. Beauchamp, Anthony V. Raffa | 1994-11-29 |