Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331531 | Mounting arrangement for recessed lighting fixtures | Helmut Unger | 1994-07-19 |
| D339565 | Recessed lighting power system module | Howard G. Cohen, Helmuth K. Unger | 1993-09-21 |
| 5177404 | Removable power service module for recessed lighting system | Howard G. Cohen, Helmuth K. Unger | 1993-01-05 |