Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384594 | HVAC systems having air-tight access doors | John L. McElvany, Sriram Ramanujam, Curtis A. Trammell | 2022-07-12 |
| 10829986 | HVAC systems having air-tight access doors | John L. McElvany, Sriram Ramanujam, Curtis A. Trammell | 2020-11-10 |