Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D442063 | Adjustable duct bracket | — | 2001-05-15 |
| 6202962 | Flexible strap for supporting heating and cooling ducts | — | 2001-03-20 |
| 6192640 | Double divisible connector frame for mounting air grilles and louvers to heating and cooling duct outlets | — | 2001-02-27 |
| D436835 | Adjustable duct bracket | — | 2001-01-30 |
| 6079674 | Suspension clamp having flexible retaining arm | — | 2000-06-27 |
| 6062515 | Duct and pipe bracket for use between joists | — | 2000-05-16 |
| 5339577 | Laminated non-combustible board for forming ductwork and headers | — | 1994-08-23 |