Ma; Hansan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ma; Hansan.The latest application filed is for "dimpled soccer ball".
- Ma; Hansan - Hong Kong CN
- Ma; Hansan - Cape Elizabeth ME
- Ma; Hansan - Hoffman Estates IL
| Patent | Date |
|---|---|
| Dimpled soccer ball App 20070117662 - Ma; Hansan | 2007-05-24 |
| Football with a modified surface conferring altered aerodynamic properties App 20060105866 - Ma; Hansan | 2006-05-18 |
| Ball with a passive sound device Grant 5,253,866 - Moorman , et al. October 19, 1 | 1993-10-19 |
| Ball Grant D322,105 - Ma December 3, 1 | 1991-12-03 |
| Curve ball Grant 4,919,422 - Ma April 24, 1 | 1990-04-24 |
| Portable security box Grant 4,573,332 - Ma March 4, 1 | 1986-03-04 |
| Ball toy Grant D274,070 - Ma May 29, 1 | 1984-05-29 |
| Stacking toy Grant D271,897 - Ma December 20, 1 | 1983-12-20 |
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