Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8117862 | Device and method for recording air conditioning system information | Robert W. Helt, Jie Song, Gordon Jeffrey Hugghins, John T. Taylor, W. Randall Erwin +4 more | 2012-02-21 |