Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699426 | Gypsum wallboard core, and method and apparatus for making the same | — | 2004-03-02 |
| 4286995 | Mica-free joint compound | Richard E. Smith | 1981-09-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699426 | Gypsum wallboard core, and method and apparatus for making the same | — | 2004-03-02 |
| 4286995 | Mica-free joint compound | Richard E. Smith | 1981-09-01 |