Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837807 | Station to station message arrangement | Harold K. Woodland | 1989-06-06 |
| 4633041 | Station set directory assistance arrangement | Richard H. Boivie, Alexander Feiner, Michele S. Rabinowitz, Barry J. Weinbaum | 1986-12-30 |