Issued Patents 2003
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647979 | Solar-powered water heating system | — | 2003-11-18 |
| 6612529 | Duct hanger | — | 2003-09-02 |
| D478977 | Register cover | — | 2003-08-26 |
| D478202 | Handle for a duct damper | — | 2003-08-05 |
| 6601356 | Connector frame for ventilation opening | — | 2003-08-05 |
| D476407 | Damper for round duct | — | 2003-06-24 |
| 6557805 | Device for supporting ducts | — | 2003-05-06 |
| D472456 | Clamp cover | — | 2003-04-01 |