Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4756123 | Chamber door | David Zolner | 1988-07-12 |
| 4745708 | Apparatus for securing a closure | — | 1988-05-24 |
| 4607760 | Closure for a pressurized chamber | — | 1986-08-26 |
| 4583655 | Locking pin and guide mechanism for a door closure | Kenneth J. Fisher | 1986-04-22 |
| 4512106 | Cable failure indicator | — | 1985-04-23 |
| 4286353 | Multi-element connection for structural members | — | 1981-09-01 |
| 4226302 | Sectional ladder lock | — | 1980-10-07 |
| 4216597 | Picture frame retaining clip | Lawrence A. Kocina | 1980-08-12 |