Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5927968 | Apparatus for continuous refractoryless calcining of gypsum | George E. Rowland, Michael L. Cloud | 1999-07-27 |
| 5743954 | Method for continuous refractoryless calcining of gypsum | George E. Rowland, Michael L. Cloud | 1998-04-28 |