Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844430 | Fluid-filled elastic cushioning device having stopper block for closing orifice upon excessive load application | Kouji Sawada, Masato Tanabe, Hitoshi Araki, Takanobu Nanno | 1989-07-04 |