Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946158 | Deposition of titanium amides | Matthias J. Jahl, Shantia Riahi, Raymond Nicholas Vrtis | 2005-09-20 |
| 6602783 | Deposition of titanium amides | Matthias J. Jahl, Shantia Riahi, Raymond Nicholas Vrtis | 2003-08-05 |
| 5057979 | Recessed lighting fixture | Raymond J. Kusmar | 1991-10-15 |
| 4931917 | Trapeze lighting fixture | Timothy P. Scherf, Daniel Dix | 1990-06-05 |
| 4803603 | Plaster frame | — | 1989-02-07 |