Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790518 | Automatically recharging air spring | Michael J. Lerman | 1988-12-13 |
| 4508455 | Agitator including impeller assembly and shaft having interference fit | Michael J. Lerman, Richard Koehl, Anthony A. Chiarella | 1985-04-02 |
| 4372461 | Cover balance assembly and gasket protector device | Michael J. Lerman | 1983-02-08 |