Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773310 | Fan ventilator having multiple modes of operation | — | 1988-09-27 |
| 4268231 | Multi-unit rotary piston mechanism and mainshaft coupling therefor | Charles E. Jones | 1981-05-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773310 | Fan ventilator having multiple modes of operation | — | 1988-09-27 |
| 4268231 | Multi-unit rotary piston mechanism and mainshaft coupling therefor | Charles E. Jones | 1981-05-19 |