Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1077171 | Multi-piece air filter housing | Matthew J. Carr | 2025-05-27 |
| 12121840 | Multi-piece HVAC air filter housing, filter assembly and methods | Matthew J. Carr | 2024-10-22 |
| 8082630 | Door hinge | Keith R. Sprague | 2011-12-27 |
| 4837590 | Portable computer and carrying case for mobile office | — | 1989-06-06 |