Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6035017 | Background speech recognition for voice messaging applications | Randolph John Pilc, Lawrence R. Rabiner | 2000-03-07 |
| 4560837 | Call transfer method and circuitry | Robert A. Carson, David F. Jones | 1985-12-24 |
| RE31534 | Communication system conferencing arrangement | James H. Van Ornum, Tse L. Wang, Carl D. Weiss | 1984-03-06 |