Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10563770 | Washpipe assemblies for a power swivel | Christopher Brian Walker, Robert Ioan Papp, Mihail Puscas, Calvin Blankenship | 2020-02-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10563770 | Washpipe assemblies for a power swivel | Christopher Brian Walker, Robert Ioan Papp, Mihail Puscas, Calvin Blankenship | 2020-02-18 |