Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4609431 | Non-woven fibrous composite materials and method for the preparation thereof | Willard E. Carlson | 1986-09-02 |
| 4274916 | Dimensionally stable backing materials for surface coverings and methods of making the same | — | 1981-06-23 |