Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740395 | Substrate smoothed by coating with gypsum-containing composition and method of making | John D. Halm, Michael R. Lynn, Richard B. Stevens, Charles J. Miller, Peter M. Attard +1 more | 2004-05-25 |