Yang; Tso S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yang; Tso S..The latest application filed is for "computer digitizing tablet".
- Yang; Tso S. - Taipei TW
| Patent | Date |
|---|---|
| Computer digitizing tablet Grant D337,322 - Yang July 13, 1 | 1993-07-13 |
| Track ball Grant D333,818 - Yang March 9, 1 | 1993-03-09 |
| Digitizing stylus Grant D331,750 - Yang December 15, 1 | 1992-12-15 |
| Computer mouse Grant D331,230 - Yang November 24, 1 | 1992-11-24 |
| Computer mouse Grant D331,231 - Yang November 24, 1 | 1992-11-24 |
| Computer mouse Grant D331,043 - Yang November 17, 1 | 1992-11-17 |
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