Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772367 | Apparatus for and a method of electrochemically polishing pipe inside surfaces | Georg Henkel | 1988-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772367 | Apparatus for and a method of electrochemically polishing pipe inside surfaces | Georg Henkel | 1988-09-20 |