Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7918950 | Low fiber calcination process for making gypsum fiberboard | Marsha S. SKINNER, Douglas Blackburn | 2011-04-05 |
| 4305325 | General purpose decoy launcher | Lawrence P. Dorsett | 1981-12-15 |
| 4237260 | Plaster consistency reducer | Harley L. Schlotthauer | 1980-12-02 |
| 4184887 | Plaster composition containing water-reducing agent | Harley L. Schlotthauer | 1980-01-22 |