Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692941 | Method of and apparatus for welding spring to aperture grill | Masami Takeda, Kazuhiko Otsuka, Yoshirou Kojima | 1997-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692941 | Method of and apparatus for welding spring to aperture grill | Masami Takeda, Kazuhiko Otsuka, Yoshirou Kojima | 1997-12-02 |