Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300320 | Telephone attendant console | Hideji Takemasa, Kazuo Ikeda | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300320 | Telephone attendant console | Hideji Takemasa, Kazuo Ikeda | 1989-03-21 |