Issued Patents 2023
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781677 | Bracket for positioning and protecting pipes in concrete | Dennis L. Hart, Virgil O'Neil | 2023-10-10 |
| 11698158 | Cap for risers in concrete decks | Virgil O'Neil, Dennis L. Hart, Randy Borman, Ryan Miller | 2023-07-11 |
| 11661735 | Fire stop for a passageway | — | 2023-05-30 |
| 11662049 | Test valve assembly with extraction mechanism | Jacob CHASE | 2023-05-30 |
| 11603659 | Cap for a tubular sleeve for a concrete structure | Larry D. Brown, Dennis L. Hart, Virgil O'Neil | 2023-03-14 |