Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 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 | $3,744,000 |