Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469300 | Apparatus and method for injecting a concentrated fluorescent dye into a sealed air-conditioning system | Phil Trigiani | 2002-10-22 |
| 6442953 | Apparatus and method for diagnosing performance of air-conditioning systems | Phil Trigiani, Ronald Lee Wheeler | 2002-09-03 |