Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12115589 | Variable length tool holder | Anjian Chen | 2024-10-15 |
| 11931813 | Variable length tool holder | Anjian Chen | 2024-03-19 |
| 11747606 | Sight glass | — | 2023-09-05 |
| 11674605 | Meter bar | — | 2023-06-13 |
| 11458550 | Variable length tool holder | Anjian Chen | 2022-10-04 |
| 11415258 | Pipeline plug | Jeffrey Dan Batson | 2022-08-16 |
| 11371637 | Pipe fitting placement device | Timothy Wayne Stern | 2022-06-28 |
| 11048074 | Sight glass | — | 2021-06-29 |
| 10870157 | Pilot drill with spring detent | — | 2020-12-22 |
| 10465833 | Pipeline plug | Jeffrey Dan Batson | 2019-11-05 |