Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117254 | Apparatus and method for cleaning HVAC cooling coils | Rudolph Singleton | 2024-10-15 |
| 11788807 | Apparatus and method for cleaning HVAC cooling coils | Rudolph Singleton | 2023-10-17 |
| 11486663 | Apparatus and method for cleaning HVAC cooling coils | Rudolph Singleton | 2022-11-01 |
| 10539381 | Apparatus and method for cleaning HVAC cooling coils | Rudolph Singleton | 2020-01-21 |