Dah Sun Electronics Company Limited
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dah Sun Electronics Company Limited.The latest application filed is for "combined calculator and clipboard".
- Dah Sun Electronics Company Limited - Hong Kong HK
- Dah Sun Electronics Company Limited - Kowloon HK
| Patent | Date |
|---|---|
| Combined calculator and clipboard Grant D296,220 - Hung June 14, 1 | 1988-06-14 |
| Calculator combined with clip Grant D295,873 - Chan May 24, 1 | 1988-05-24 |
| Combined calculator and clipboard Grant D294,282 - Hung February 16, 1 | 1988-02-16 |
| Combined clipboard and calculator Grant D294,270 - Chan Chi Hung February 16, 1 | 1988-02-16 |
| Combined calculator and clipboard Grant D284,976 - Hung August 5, 1 | 1986-08-05 |
| Calculator clip Grant D279,197 - Chan June 11, 1 | 1985-06-11 |
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