Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290213 | Modular rail assembly | Mark A. Brooks, Robert D'Addario, Kevin L. Noll, Michael R. Thomas | 2001-09-18 |
| 5345729 | Support for tamper proof securing light fixture on suspended ceiling panel | Douglas Prahst, Richard Kuchler, Lester G. Peterson, William D. Benning | 1994-09-13 |
| 5263295 | Suspended security ceiling system | Richard Kuchler, Lester G. Peterson, William D. Benning | 1993-11-23 |