Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353879 | Door having smoke reducing apparatus associated therewith | Shigeo Watanabe, Niichi Hayashi, Teruo Yamada | 1994-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353879 | Door having smoke reducing apparatus associated therewith | Shigeo Watanabe, Niichi Hayashi, Teruo Yamada | 1994-10-11 |