Chi; Hui-Neng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chi; Hui-Neng.The latest application filed is for "spring-energized stapling machine".
- Chi; Hui-Neng - Taichung City TW
- Chi; Hui-Neng - Taichung TW
| Patent | Date |
|---|---|
| Spring-energized stapling machine Grant 4,358,043 - Chi November 9, 1 | 1982-11-09 |
| Hook-nail and its driving machine Grant 4,225,075 - Chi September 30, 1 | 1980-09-30 |
| Stapling machine Grant 4,025,031 - Chi May 24, 1 | 1977-05-24 |
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