Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4918278 | Joinable arc gouging electrodes with indicator for indicating, during use, when arc is a predetermined distance from end of electrode; and method of using same | Naruo Kuwabara, Takayuki Mizutani | 1990-04-17 |