Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7474202 | Bus safety controller method and system | Joseph Ernest Dryer | 2009-01-06 |
| 7148466 | Apparatus and method for illumination of an optical platen | Ryan Elliot Eckman, David Stoltzmann, Lubomir Koudelka | 2006-12-12 |
| 5293151 | Audible warning of disembarked bus passengers | — | 1994-03-08 |