Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10119257 | Drain chain systems and methods for cleaning drains | Gifford L. Briggs | 2018-11-06 |
| 10119258 | Drain chain systems and methods for cleaning drains | Gifford L. Briggs | 2018-11-06 |