Chen; Tzu-Chun
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chen; Tzu-Chun.The latest application filed is for "double-sided circuit board and method for preparing the same".
- Chen; Tzu-Chun - Taichung N/A TW
- Chen; Tzu Chun - Taichung City TW
- Chen; Tzu-Chun - New Taipei City TW
- Chen; Tzu-Chun - Miaoli County TW
- Chen; Tzu-Chun - Hsinchu Hsiang TW
| Patent | Date |
|---|---|
| Engagement structure of socket wrench Grant 11,292,107 - Chen April 5, 2 | 2022-04-05 |
| Double-sided circuit board and method for preparing the same Grant 11,134,574 - Tseng , et al. September 28, 2 | 2021-09-28 |
| Double-sided Circuit Board And Method For Preparing The Same App 20190045638 - Tseng; I Lin ; et al. | 2019-02-07 |
| Locking structure for hand tool Grant 10,183,385 - Chen Ja | 2019-01-22 |
| Double-sided circuit board and method for preparing the same Grant 10,098,242 - Tseng , et al. October 9, 2 | 2018-10-09 |
| Locking structure for hand tool App 20180056491 - CHEN; Tzu-Chun | 2018-03-01 |
| Driving device for open-end wrench App 20170050296 - CHEN; TZU-CHUN | 2017-02-23 |
| Clamping structure for open end wrench Grant 9,522,458 - Chen December 20, 2 | 2016-12-20 |
| Clamping structure for open end wrench App 20160089769 - CHEN; Tzu-Chun | 2016-03-31 |
| Angle controlling device for a wrench Grant 9,221,157 - Chen December 29, 2 | 2015-12-29 |
| Extracts Of Perilla Frutescens Seeds And Their Pharmaceutical Uses App 20150224159 - Lo; Leah ; et al. | 2015-08-13 |
| Double-sided Circuit Board And Method For Preparing The Same App 20150060128 - Tseng; I Lin ; et al. | 2015-03-05 |
| Photovoltaic Panel And Manufacturing Method Thereof App 20120255592 - Chang; Kai-Sheng ; et al. | 2012-10-11 |
| Probe Card, Maintenance Apparatus And Method For The Same App 20110128028 - Lin; Chin-Yi ; et al. | 2011-06-02 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 