Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866892 | Extensible structure | Shigeru Satoh | 1989-09-19 |
| 4856765 | Spring apparatus | Masahiro Kohno, Akira Obata, Takayuki Kitamura | 1989-08-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866892 | Extensible structure | Shigeru Satoh | 1989-09-19 |
| 4856765 | Spring apparatus | Masahiro Kohno, Akira Obata, Takayuki Kitamura | 1989-08-15 |