Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12071756 | Flexible, constant-downward-pressure obstructed piping clearing system | Roy C. Patterson | 2024-08-27 |
| 10808388 | Flexible, constant-downward-pressure obstructed piping clearing system | Roy C. Patterson | 2020-10-20 |
| 10202744 | Flexible, constant-downward-pressure obstructed piping clearing system | Roy C. Patterson | 2019-02-12 |