Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8602051 | Trap-primer system for floor drains | Brent W. Proper | 2013-12-10 |
| 7441731 | Support block system | Terry K. Tidwell | 2008-10-28 |
| D521851 | Gas tube block support | — | 2006-05-30 |