Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822570 | Thermal sensing apparatus in outlet nozzle | Jean-Marie Hamert | 1989-04-18 |
| 4790518 | Automatically recharging air spring | William Zamory | 1988-12-13 |
| 4628574 | Method for constructing an impeller assembly and shaft having interference fit | — | 1986-12-16 |
| 4606103 | Method for fabricating an impeller assembly and shaft having an interference fit | Richard Koehl | 1986-08-19 |
| 4508455 | Agitator including impeller assembly and shaft having interference fit | Richard Koehl, Anthony A. Chiarella, William Zamory | 1985-04-02 |
| 4491421 | Impeller assembly and shaft having interference fit | Richard Koehl | 1985-01-01 |
| 4372461 | Cover balance assembly and gasket protector device | William Zamory | 1983-02-08 |