Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966887 | Suspended ceiling cross tee end connector | — | 1999-10-19 |
| 5088261 | Curved grid tees for suspension ceilings | James A. Fletterick | 1992-02-18 |
| 4779394 | Connector for suspension ceiling grid | Richard Shirey, Gerald L. Koski, Jonathan P. Teli | 1988-10-25 |
| 4696142 | Suspension ceiling with snap-up panels | Gerald L. Koski | 1987-09-29 |
| 4689870 | Method of making honeycomb floor panel | — | 1987-09-01 |
| 4648230 | Locking connection for suspension ceiling grid systems | Richard Shirey, Robert F. Worley | 1987-03-10 |
| 4594833 | Honeycomb floor panel and the like | — | 1986-06-17 |
| 4573304 | Honeycomb floor panel and the like | — | 1986-03-04 |
| 4546584 | Wall panel system providing resilient joints | Peter Reynard | 1985-10-15 |
| 4505083 | Delineated ceiling grid in suspended ceiling | — | 1985-03-19 |
| 4443991 | Demountable partition structure | — | 1984-04-24 |
| RE31528 | Grid tee for suspension ceilings or the like | — | 1984-03-06 |
| 4397127 | Extendable stud for partition walls or the like | — | 1983-08-09 |
| 4257206 | Fire rated ceiling | — | 1981-03-24 |
| 4206578 | Grid tee for suspension ceilings or the like | — | 1980-06-10 |