Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10344472 | Extendable sleeve for a poured concrete deck | Virgil O'Neil, Larry D. Brown, Dennis L. Hart, Darrell W. Price | 2019-07-09 |
| 9476199 | Extendable sleeve for poured concrete deck | Virgil O'Neil, Larry D. Brown, Dennis L. Hart, Darrell W. Price | 2016-10-25 |
| 9388570 | Extendable sleeve for poured concrete deck | Larry D. Brown, Virgil O'Neil, Dennis L. Hart, Darrell W. Price | 2016-07-12 |
| 9103116 | Extendable sleeve for poured concrete deck | Virgil O'Neil, Larry D. Brown, Dennis L. Hart | 2015-08-11 |
| 9086174 | Extendable sleeve for poured concrete deck | Virgil O'Neil, Larry D. Brown, Dennis L. Hart | 2015-07-21 |
| 8141826 | Pipe holding bracket | Luis E. Gallardo | 2012-03-27 |