Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10401252 | Pneumatic plug clean-out tees | Eric G. Hull, Aaron Lorkowski, Paul R. Metcalfe, Scott E. Urban | 2019-09-03 |
| 10240333 | Backwater valve assembly and method | Eric G. Hull | 2019-03-26 |