Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11332944 | Tile alternative material | William Bradford Boyd, JR., Nicholas Campion Godfrey, Calvin L. Trumbo | 2022-05-17 |
| 4281592 | Double induction unit | Dale E. Maxson | 1981-08-04 |
| 4189092 | Damper control for preventing spread of fire and smoke through an induction mixing box | Dale E. Maxson | 1980-02-19 |