Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5532525 | Congeneration power system | Howard H. Bobry | 1996-07-02 |
| 4916642 | Environmental control with multiple zone central processor means | Theodore R. Lapp | 1990-04-10 |
| 4742475 | Environmental control system | Theodore R. Lapp | 1988-05-03 |