Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4435816 | Method and article for protecting tapered threaded electrode joints by use of an alignment mechanism | Harry C. Stieber | 1984-03-06 |
| 4349910 | Method and apparatus for orientation of electrode joint threads | — | 1982-09-14 |