Yu; Chun Sung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yu; Chun Sung.The latest application filed is for "piston assembly of shock absorber".
- Yu; Chun Sung - Iksan-si KR
- Yu; Chun Sung - Jeonbuk N/A KR
| Patent | Date |
|---|---|
| Piston assembly of shock absorber Grant 9,068,618 - Yu June 30, 2 | 2015-06-30 |
| Valve structure of shock absorber having variable flow channel Grant 8,844,687 - Yu , et al. September 30, 2 | 2014-09-30 |
| Piston Assembly Of Shock Absorber App 20130333993 - YU; Chun Sung | 2013-12-19 |
| Valve Structure Of Shock Absorber App 20130140117 - YU; Chun Sung | 2013-06-06 |
| Valve Structure Of Shock Absorber Having Variable Flow Channel App 20120312648 - Yu; Chun Sung ; et al. | 2012-12-13 |
| Double Sliding Piston Valve App 20120305352 - YU; Chun Sung ; et al. | 2012-12-06 |
| Shock Absorber App 20120061194 - YU; Chun Sung | 2012-03-15 |
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