Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163565 | Process for manufacturing a leaf spring and insert for leaf spring | — | 2024-12-10 |
| 9016705 | Leaf spring and mount | — | 2015-04-28 |
| 5311747 | Water-assisted condenser cooler | Robert D. Pringle | 1994-05-17 |
| 4587706 | Thermally responsive damper assembly having interfitting parts and method | Dale R. Booher | 1986-05-13 |
| D271615 | Damper unit | Dale R. Booher, Jeffrey R. Killin | 1983-11-29 |
| D268281 | Damper | — | 1983-03-15 |
| RE31112 | Automatic flue damper | — | 1982-12-28 |
| 4361272 | Thermal damper for rectangular flue | Dale R. Booher, Jeffrey R. Killin | 1982-11-30 |
| D264375 | Damper | — | 1982-05-11 |
| D264376 | Damper | — | 1982-05-11 |
| 4290552 | Damper control mechanism | — | 1981-09-22 |
| 4236668 | Thermal damper assembly having position controls | — | 1980-12-02 |