Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9917427 | Underground utility box assembly | Hardy L. Rost | 2018-03-13 |
| 8796548 | Underground utility box assembly | Hardy L. Rost | 2014-08-05 |
| D693908 | Bottom plate for underground valve or meter box | Hardy L. Rost | 2013-11-19 |
| D693909 | Bottom plate for underground valve or meter box | Hardy L. Rost | 2013-11-19 |
| 8534484 | Sealing cover assembly for an underground utility box | Hardy L. Rost | 2013-09-17 |
| 6837652 | Nestable catch basin with integral debris trap | Hardy L. Rost | 2005-01-04 |