Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6112741 | Mid-efficiency furnace with multiple venting option | George Stickford, Sherwood G. Talbert, Allen L. Rutz, James H. Saunders, David Alexander Ball +1 more | 2000-09-05 |