Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6552832 | Telecommunications system including transmultiplexer installed between digital switch and optical signal transmission fiber | John D. Beierle, William C. G. Ortel | 2003-04-22 |
| 6538781 | Multimedia distribution system using fiber optic lines | John D. Beierle, Dimitrios Kokkinos | 2003-03-25 |