Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12186602 | Dynamic damper in the ductwork of an air handling system | Lorrin Brainard | 2025-01-07 |
| 6811190 | Tab-lock fastener for interlocking vent pipe | Todd Bridge | 2004-11-02 |
| 5336130 | Adjustable exhauster arm assembly | — | 1994-08-09 |
| 5281246 | Air cleaner assembly | Robert G. Nelson | 1994-01-25 |