Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4440441 | Energy attenuating seat and leg therefor | Ralph G. Marrujo | 1984-04-03 |
| 4389269 | Sports racket | Phillip M. Leopold | 1983-06-21 |
| 4252594 | X-ray patient support stretcher and method for fabrication | — | 1981-02-24 |
| 4221382 | Sports racket | Phillip M. Leopold | 1980-09-09 |