Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5548614 | Method and apparatus for interfacing between a twisted pair and an intelligent cell | Karl Osterlund | 1996-08-20 |
| 5454008 | Method and apparatus for interfacing between a twisted pair and an intelligent cell | Donald D. Baumann, W. Mike Berke, Stephen F. Dreyer, Rod G. Sinks | 1995-09-26 |
| 5408497 | Transceiver for transmitting and receiving stair-stepped sinusoidal waveforms | Donald D. Baumann, Stephen F. Dreyer | 1995-04-18 |
| 5347549 | Method and apparatus for interfacing between a twisted pair and an intelligent cell | Donald D. Baumann, W. Mike Berke, Stephen F. Dreyer, Rod G. Sinks | 1994-09-13 |