Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9415652 | Axle lift system | — | 2016-08-16 |
| 6405053 | Method of improving signal quality | — | 2002-06-11 |
| 6243586 | Method of providing access to a telecommunications system | — | 2001-06-05 |
| 6131039 | Method and system for wireless telecommunications | — | 2000-10-10 |
| 4412323 | Muldem with improved monitoring and control system | Ned E. Abbott, Hampapur R. Keshavan | 1983-10-25 |
| 4376998 | Muldem with monitor comparing means which accepts different data rates | Ned E. Abbott, Hampapur R. Keshavan | 1983-03-15 |
| 4376999 | Muldem with monitor testing on-line and off-line paths | Ned E. Abbott, Hampapur R. Keshavan | 1983-03-15 |
| 4375681 | Protected muldem with interchangeable circuits of different data rates | Ned E. Abbott, Hampapur R. Keshavan | 1983-03-01 |
| 4375682 | Protected muldem with independent protective switching of circuits having different data rates | Ned E. Abbott, Hampapur R. Keshavan | 1983-03-01 |
| 4347600 | Monitored muldem with self test of the monitor | Ned E. Abbott, Hampapur R. Keshavan | 1982-08-31 |
| 4330885 | Protected muldem with improved monitoring system and error detection | Ned E. Abbott, Hampapur R. Keshavan | 1982-05-18 |
| 4328577 | Muldem automatically adjusting to system expansion and contraction | Ned E. Abbott, Hampapur R. Keshavan | 1982-05-04 |
| 4242756 | Multiline switching protection apparatus | Charles E. Huffman, Herbert E. Welch | 1980-12-30 |