Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443257 | Acoustical panel having a calendered, flame-retardant paper backing and method of making the same | Laurel Kulas | 2002-09-03 |
| 6443258 | Durable porous article of manufacture and a process to create same | Dean L. Putt, Marsha S. Bischel, Andrea M. Moser | 2002-09-03 |