Yoon; Sang-Yeon
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yoon; Sang-Yeon.The latest application filed is for "dry cell holder and flashlight having the same".
- Yoon; Sang-Yeon - Busan KR
- Yoon; Sang-Yeon - Busan Metro KR
- Yoon, Sang-Yeon - Busan Metro City KR
| Patent | Date |
|---|---|
| Dry cell holder for flashlight Grant D637,156 - Yoon May 3, 2 | 2011-05-03 |
| Dry Cell Holder And Flashlight Having The Same App 20100231142 - Yoon; Sang-Yeon | 2010-09-16 |
| Lamp support Grant 7,703,952 - Yoon April 27, 2 | 2010-04-27 |
| Lamp Support App 20090059607 - Yoon; Sang-Yeon | 2009-03-05 |
| Flashlight using a light emitting diode as a lamp Grant 6,880,951 - Yoon April 19, 2 | 2005-04-19 |
| Flashlight using a light emitting diode as a lamp App 20030189826 - Yoon, Sang-Yeon | 2003-10-09 |
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