Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7914182 | Decorative light fixture including cooling system | Matthew Mrakovich, Mark J. Mayer, Thomas Zink, James T. Petroski | 2011-03-29 |
| 5877681 | System and method for broadcasting colored light for emergency signalling | Jerry L. Williams, Dennis Hilburger, Jacek J. Jozwik, Kent Kekeis, Gregory A. Sink +3 more | 1999-03-02 |
| 5691696 | System and method for broadcasting colored light for emergency signals | Jerry L. Williams, William J. Cassarly | 1997-11-25 |
| 5664863 | Compact uniform beam spreader for a high brightness centralized lighting system | William J. Cassarly, John M. Davenport, Richard L. Hansler | 1997-09-09 |
| 5577834 | Light emitting device | Arthur Cox | 1996-11-26 |