Issued Patents All Time
Showing 1–4 of 4 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 |
| 9534365 | Drain chain systems and methods for cleaning drains | Gifford L. Briggs | 2017-01-03 |
| 8910322 | Drain chain systems and methods for cleaning drains | Gifford L. Briggs | 2014-12-16 |