Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7769544 | Autonomous vehicle railroad crossing warning system | James L. Blesener | 2010-08-03 |
| 6414650 | Sign system with field changeable screen size and message | Timothy J. Nicholson, John P. Nicholson, Steve J. McHenry, Paul C. Freeberg | 2002-07-02 |
| 6175342 | Enhanced modular message board | Timothy J. Nicholson, Paul C. Freeberg | 2001-01-16 |
| 6150996 | Changeable message sign system with reconfigurable sign screen | Timothy J. Nicholson, John P. Nicholson, Steve J. McHenry, Paul C. Freeberg | 2000-11-21 |
| 5914698 | Modular message board | Timothy J. Nicholson, Paul Cobain | 1999-06-22 |
| 5850579 | Pan/tilt support with concentric drive shafts | Paul J. Cobian | 1998-12-15 |
| 5842586 | Height adjustable bed and storage unit for small living quarters and method of use thereof | — | 1998-12-01 |