Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D496294 | Cartridge with a bottom left-handed thread for injecting a fluorescent dye or lubricant into an air-conditioning or refrigeration system | Phil Triginai, William Frederick Waters | 2004-09-21 |
| 6732538 | Apparatus and method for diagnosing performance of air-conditioning systems | Phil Trigiani | 2004-05-11 |
| D489016 | Cartridge with a bottom right-handed thread for injecting a fluorescent dye or lubricant into an air-conditioning or refrigeration system | Phil Triginai, William Frederick Waters | 2004-04-27 |