Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638431 | Formulation and method for treating wetted surface elements in climate control systems | Dwight D. Back, John A. Meyer | 2003-10-28 |
| 6576473 | Removable test kit and method of use for vapor compression systems | Lawrence R. Grzyll, Dwight D. Back, John A. Meyer, Gregory S. Cole | 2003-06-10 |
| 6514765 | Acid test kit and method of use | Nidal A. Samad | 2003-02-04 |