Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7144850 | Drycleaning method using dipropylene glycol dimethyl ether | Paul E. Galick, Ellen S. Lenz, Larry W. Arndt | 2006-12-05 |
| 7087094 | Drycleaning method using dipropylene glycol n-propyl ether | Paul E. Galick, Larry W. Arndt, Shao-Hua Guo, Ellen S. Lenz | 2006-08-08 |