Wu; Chyi-Yiing
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wu; Chyi-Yiing.The latest application filed is for "angle-variable optical marking apparatus".
- Wu; Chyi-Yiing - Taipei TW
| Patent | Date |
|---|---|
| Self-powered rotary optical aligning apparatus Grant 7,168,180 - Wu , et al. January 30, 2 | 2007-01-30 |
| Angle-variable optical marking apparatus Grant 7,135,654 - Wu November 14, 2 | 2006-11-14 |
| Angle-variable optical marking apparatus App 20050194366 - Wu, Chyi-Yiing | 2005-09-08 |
| Self-powered rotary optical aligning apparatus App 20040194600 - Wu, Chyi-Yiing ; et al. | 2004-10-07 |
| Compact optical calibrating apparatus for multiple orientations Grant 6,568,094 - Wu May 27, 2 | 2003-05-27 |
| Compact optical calibrating apparatus for multiple orientations App 20020092185 - Wu, Chyi-Yiing | 2002-07-18 |
| Three-dimensional laser levelling and angle-calibrating instrument with multiple functions Grant 5,983,510 - Wu , et al. November 16, 1 | 1999-11-16 |
| Precise-reading angular level Grant 4,656,752 - Wu April 14, 1 | 1987-04-14 |
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