Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4630670 | Variable volume multizone system | William E. Clark | 1986-12-23 |
| 4549601 | Variable volume multizone system | William E. Clark | 1985-10-29 |
| 4531573 | Variable volume multizone unit | William E. Clark | 1985-07-30 |
| 4509371 | Venturi flow measuring device and method | — | 1985-04-09 |
| 4495986 | Method of operating a variable volume multizone air conditioning unit | William E. Clark | 1985-01-29 |
| 4182596 | Discharge housing assembly for a vane axial fan | — | 1980-01-08 |