National House Industrial Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for National House Industrial Co., Ltd..The latest application filed is for "glazed cement product and method for manufacturing thereof".
- National House Industrial Co., Ltd. - Osaka JP
| Patent | Date |
|---|---|
| Glazed cement product and method for manufacturing thereof Grant 5,168,008 - Yoshida , et al. * December 1, 1 | 1992-12-01 |
| Glazed cement product and method for manufacturing thereof Grant 4,797,319 - Yoshida , et al. January 10, 1 | 1989-01-10 |
| Door installation and a locking device used therein Grant 4,657,206 - Matsumoto , et al. April 14, 1 | 1987-04-14 |
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