Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697243 | Methods of servicing an elevator system | William H. Moore, Charles M. Gutowski, William J. Trosky | 1987-09-29 |
| 4525675 | Ultra linear frequency discriminator circuitry | Carl T. Richmond, Joseph E. Andrews, Jr. | 1985-06-25 |