Liang; Yung-Jen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liang; Yung-Jen.The latest application filed is for "sewing machine type stepping foot trainer".
- Liang; Yung-Jen - Taichung TW
- Liang, Yung-Jen - Chang Hua Hsien TW
- Liang; Yung Jen - An Dong Tsuen Hsue Hsai Hsiang TW
- Liang; Yung-Jen - Hsiu Shui Hsiang Chang Hua Hsien TW
| Patent | Date |
|---|---|
| Sewing machine type stepping foot trainer App 20070219060 - Liang; Yung-Jen | 2007-09-20 |
| Lower muscle training device App 20050272563 - Liang, Yung Jen | 2005-12-08 |
| Multi-angle achilles tendon stretching pedaled trainer App 20040259704 - Liang, Yung-Jen | 2004-12-23 |
| Exerciser for abdominal portion of the user App 20020147084 - Liang, Yung Jen | 2002-10-10 |
| Wrist exerciser Grant 5,690,598 - Liang November 25, 1 | 1997-11-25 |
| Dumbbell Grant 5,090,693 - Liang February 25, 1 | 1992-02-25 |
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