Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6230463 | Ceiling panel | — | 2001-05-15 |
| 6179451 | Integrated indirect light and ceiling system | William C. Dorsey | 2001-01-30 |
| 6177180 | Composite construction board with load bearing properties | William C. Dorsey | 2001-01-23 |
| 6108994 | Ceiling panel | — | 2000-08-29 |
| 6101777 | Suspension ceiling system | William C. Dorsey | 2000-08-15 |
| 6018919 | Smooth wall finishing system | — | 2000-02-01 |
| 5974754 | Ceiling board corner embossing | G. Douglas Vernau | 1999-11-02 |
| 5876810 | Method of installing panels with furring tape and the resulting paneled surface | William C. Dorsey | 1999-03-02 |
| 5845447 | Suspension ceiling system | William C. Dorsey | 1998-12-08 |
| 5601896 | Fabric-covered board structure and process of manufacture | Harold N. Graybeal, Nancy E. Mentzer | 1997-02-11 |
| D353295 | Combined chair rail and chalk shelf for mounting on a wall | — | 1994-12-13 |