Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7621090 | Panel and mounting mechanism | Peter Arena, Eric Krantz-Lilienthal | 2009-11-24 |
| 7143562 | Suspension system and structure for securing border ceiling panels | Eric Krantz-Lilienthal, Richard D. Stackenwalt | 2006-12-05 |
| 4312793 | Electrical joint compound | Mitchell D. Charneski, Frank J. Gazdecki | 1982-01-26 |
| 4214121 | Electrical joint compound | Mitchell D. Charneski, Frank J. Gazdecki | 1980-07-22 |