Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441714 | System, method and apparatus for ramped retainer for a pipe | Joshua E. Clapper, Roy L. Dean | 2022-09-13 |
| 11396966 | System, method and apparatus for sheathed retainer for a restrained pipe joint | — | 2022-07-26 |