Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473283 | Voltage protection circuit for multi-drop bus of an automated coin vending machine | Christopher L. Melvin | 2002-10-29 |
| 6373402 | Method and apparatus for photographing traffic in an intersection | — | 2002-04-16 |