Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698243 | Mold apparatus for simultaneously molding two cross-linked annular parts | — | 1997-12-16 |
| 5632070 | Lock slider for slide fastener | — | 1997-05-27 |
| 5609839 | No.sub.x removal catalyst and method of purifying exhaust gas by using the same | Takashi Itoh, Yukio Kosaki, Takeshi Chonan, Takashi Matsuda, Yasuharu Kanno +1 more | 1997-03-11 |