Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7301478 | Vehicle safety warning device | Gregory F. Chinn, Michael Laughead | 2007-11-27 |
| 6475594 | Sorbent mat assembly | Milo Johnston, Richard Glancy, Michael P. Hobin, John Clement | 2002-11-05 |
| 5760686 | Assembly and method for detecting errant vehicles and warning work zone personnel thereof | — | 1998-06-02 |
| 5646437 | Indium antimonide (InSb) photodetector device and structure for infrared, visible and ultraviolet radiation | Ichiro Kasai | 1997-07-08 |
| 5552767 | Assembly for, and method of, detecting and signalling when an object enters a work zone | — | 1996-09-03 |