Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11603848 | Automated fan inlet damper closure apparatus | Christian O. Quinones | 2023-03-14 |
| 10436207 | Automatic fan inlet closure apparatus and methods | David Hustvedt | 2019-10-08 |
| 9920392 | Apparatus for induction hardening | Stephen B. Fitch, William Stuehr, John Gadus, Stephen P. Johnson | 2018-03-20 |
| 8993942 | Apparatus for induction hardening | Stephen B. Fitch, William Stuehr, John Gadus, Stephen P. Johnson | 2015-03-31 |
| 5419263 | Remote control TV table | — | 1995-05-30 |