Hsiao; Meng-Chang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hsiao; Meng-Chang.The latest application filed is for "hand-held light".
- Hsiao; Meng-Chang - Taipei TW
- Hsiao; Meng-Chang - Sung-Shan Dist. Taipei TW
| Patent | Date |
|---|---|
| Hand-held light Grant D295,561 - Hsiao May 3, 1 | 1988-05-03 |
| Rotary structure for the head portion of an illumination light Grant 4,654,764 - Hsiao March 31, 1 | 1987-03-31 |
| Portable emergency light Grant 4,535,391 - Hsiao August 13, 1 | 1985-08-13 |
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