Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463146 | Call waiting service in a telecommunications network | Melvyn C Bale | 2002-10-08 |
| 5287950 | Fall-arrest apparatus with constant winch braking | Leonard J. Feathers, Gerald P. Murphy | 1994-02-22 |