Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4757663 | Drywall furring strip system | — | 1988-07-19 |
| 4621471 | Base trim system for partition corners | Alan C. Wendt | 1986-11-11 |
| 4569171 | Base trim system for partition corners | Alan C. Wendt | 1986-02-11 |
| 4377059 | Concealed ceiling system with accessible ceiling panels | — | 1983-03-22 |
| 4294054 | Soffit system for suspended ceiling | — | 1981-10-13 |
| 4257205 | Attachment system for suspended drywall ceiling panels | — | 1981-03-24 |
| 4232594 | Modular ceiling panel unit usable with air distribution systems | — | 1980-11-11 |
| 4189893 | Ceiling runner and panel assembly having sliding lockability | — | 1980-02-26 |