Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145545 | Tube assembly for auxiliary heating and air conditioning system | Philip S. Hartnagel, Matthew Mourad, James Hutchings | 2000-11-14 |
| 6131615 | Tube assembly for auxiliary heating and air conditioning system | Philip S. Hartnagel, Matthew Mourad, Charles Thrift | 2000-10-17 |
| 6009908 | Tube assembly for auxiliary heating and air conditioning system | Philip S. Hartnagel, Matthew Mourad, James Hutchings | 2000-01-04 |