Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10695972 | Testing apparatus used for cured sample liners used in rehabilitation of pipeline having sample liner exposed to pressure and UV light | David Samuel Pleasants | 2020-06-30 |
| 10300656 | Testing apparatus used for cured sample liners used in rehabilitation of pipeline having sample liner exposed to pressure and UV light | David Samuel Pleasants | 2019-05-28 |
| 10221688 | Mobile conveyor device for the delivery of tunnel liners | David Samuel Pleasants | 2019-03-05 |
| 9938828 | Mobile conveyor device for the delivery of tunnel liners | David Samuel Pleasants | 2018-04-10 |
| 9695689 | Mobile conveyor device for the delivery of tunnel liners | David Samuel Pleasants | 2017-07-04 |