Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780356 | Method for producing an inorganic foam structure for use as a durable acoustical panel | Dean L. Putt, John J. Hartman, Jr., Andrea M. Moser | 2004-08-24 |
| 6596389 | Foamed composite panel with improved acoustics and durability | John Felegi, Jr., William F. Fry, Ernest B. Nute, Jr., Robert Drennan Lewis, Alfred H. Adey | 2003-07-22 |
| 5495697 | Decorative elements for subceilings | Wesley T. K. Bischel, Joan V. Greenslade, Henry G. Stein | 1996-03-05 |
| 5421132 | Decorative elements for subceilings | Wesley T. K. Bischel, Joan V. Greenslade, Henry G. Stein | 1995-06-06 |
| 5394669 | Locking connection for suspended ceiling system | Carl K. McClure | 1995-03-07 |
| 5325647 | Composite ceiling grid | John S. Forry | 1994-07-05 |
| 5265393 | Decorative elements for subceilings | Wesley T. K. Bischel, Joan V. Greenslade, Henry G. Stein | 1993-11-30 |
| 5153048 | Fabric covered corrugated board | William F. Fry, Nancy E. Mentzer | 1992-10-06 |