Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5886289 | Long range artillery shell | Martin J. Lewin, Terence L. Spellward | 1999-03-23 |
| 4554748 | Multi-segment seal ring for rotary equipment | — | 1985-11-26 |
| 4502702 | Segmented seal for rotary equipment | — | 1985-03-05 |