Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9339854 | Pipeline pig brush and brush assembly | Dolores Houghton, Michael Hooper | 2016-05-17 |
| 8534768 | Method of making a pipeline pig brush and brush assembly | Dolores Houghton, Michael Hooper | 2013-09-17 |