Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232889 | System and method for signal light preemption and vehicle tracking | Peter Apitz | 2001-05-15 |
| 5717739 | Methods and apparatus for enabling an operator to provide pre-recorded information to a customer | Dwayne Dyer | 1998-02-10 |