Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943209 | Hub for a plastic blower impeller | — | 1990-07-24 |
| 4865517 | Blower with clam shell housing | — | 1989-09-12 |
| 4858683 | Stamped discharge grille including two louvred sections | — | 1989-08-22 |
| 4390219 | Terminal block and capacitor mount for blower | — | 1983-06-28 |
| 4261255 | Ventilation fan | Richard M. Anderson | 1981-04-14 |
| 4200117 | Damper mechanism for fresh air intake | Richard M. Anderson | 1980-04-29 |