Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9453590 | Pipe pitch apparatus, system and method of installation | John Poplawski | 2016-09-27 |
| 9273802 | Fixture and installation method for a pitched pipe system | John Poplawski | 2016-03-01 |