Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062710 | Vegetable oil-based coating and method for application | Thomas M. Kurth, Richard A. Kurth, Les P. Kreifels | 2011-11-22 |
| D636791 | Mine dewatering apparatus | Michael C. McAlpine | 2011-04-26 |