Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451916 | Repeatered, multi-channel fiber optic communication network having fault isolation system | Paul W. Casper, Norman C. Seiler, George A. Waschka, Jr., Charles R. Patisaul, James W. Toy +7 more | 1984-05-29 |
| 4449246 | Orderwire communication system | Norman C. Seiler, George A. Waschka, Jr. | 1984-05-15 |
| 4347607 | Voice alarm signalling system | Harold Iley | 1982-08-31 |