Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6135137 | Indexed coupler for positioning a shaft in multiple angular positions | — | 2000-10-24 |
| 6087639 | Heating coil retainer bracket and method for manufacturing the same | Leon Lietch | 2000-07-11 |
| 5578232 | Open-coil heater assembly and insulator therefor | — | 1996-11-26 |
| D367844 | Heater insulator | — | 1996-03-12 |
| 4453419 | Device for sensing the volmetric flow rate of air in a duct | — | 1984-06-12 |
| 4295632 | Method and apparatus for reducing torque on an air damper | — | 1981-10-20 |