Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4249227 | Enclosed switchboard having instruments needed for regular inspection and operation mounted on a middle level door | Yasuhiro Kato, Nobuo Sekiguchi | 1981-02-03 |
| 4236189 | Enclosed switchboard | — | 1980-11-25 |