Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11817624 | Ventilation apparatus for a containment of antenna elements | Gregg Ehresmann | 2023-11-14 |
| 6002217 | Door operating system | James C. Stevens, Robert Utterback | 1999-12-14 |
| 4375735 | Air lock door control apparatus | — | 1983-03-08 |