Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352453 | Fan control for variable air volume terminal unit | — | 1982-10-05 |
| 4262191 | Digital electronic steam humidifier control | James M. Lepper, Jr., James A. Haas | 1981-04-14 |
| 4254795 | Airflow control mechanism insertable into an air duct | — | 1981-03-10 |
| 4249571 | Air control mechanism having noise suppression means | — | 1981-02-10 |
| 4197740 | Fluid flow measuring apparatus | — | 1980-04-15 |