He; Chang-Jun
Patent Applications and Registrations
Patent applications and USPTO patent grants for He; Chang-Jun.The latest application filed is for "powered tree construction".
- He; Chang-Jun - Shenzhen CN
| Patent | Date |
|---|---|
| Powered Tree Construction App 20210376541 - Leung; Chi Yin Alan ; et al. | 2021-12-02 |
| Powered Tree Construction App 20210376540 - Leung; Chi Yin Alan ; et al. | 2021-12-02 |
| Powered tree construction with rotation limiting Grant 11,095,078 - Leung , et al. August 17, 2 | 2021-08-17 |
| Multi-wire Quick Assemble Tree App 20210113006 - Leung; Chi Yin Alan ; et al. | 2021-04-22 |
| Powered tree construction with rotation limiting Grant 10,985,513 - Leung , et al. April 20, 2 | 2021-04-20 |
| Multi-wire quick assemble tree Grant 10,842,306 - Leung , et al. November 24, 2 | 2020-11-24 |
| Powered tree construction Grant 10,777,949 - Leung , et al. Sept | 2020-09-15 |
| Powered Tree Construction App 20200136324 - Leung; Chi Yin Alan ; et al. | 2020-04-30 |
| Powered Tree Construction App 20200021067 - Leung; Chi Yin Alan ; et al. | 2020-01-16 |
| Powered tree construction Grant 10,522,954 - Leung , et al. Dec | 2019-12-31 |
| Powered Tree Construction App 20190386440 - Leung; Chi Yin Alan ; et al. | 2019-12-19 |
| Powered tree construction Grant 10,404,019 - Leung , et al. Sep | 2019-09-03 |
| Powered Tree Construction App 20190081442 - Leung; Chi Yin Alan ; et al. | 2019-03-14 |
| Powered Tree Construction App 20180198245 - Leung; Chi Yin Alan ; et al. | 2018-07-12 |
| Multi-wire Quick Assemble Tree App 20180098655 - Leung; Chi Yin Alan ; et al. | 2018-04-12 |
| Powered tree construction Grant 9,912,109 - Leung , et al. March 6, 2 | 2018-03-06 |
| Multi-wire quick assemble tree Grant 9,839,315 - Leung , et al. December 12, 2 | 2017-12-12 |
| Powered tree construction Grant 9,843,147 - Leung , et al. December 12, 2 | 2017-12-12 |
| Powered Tree Construction App 20170040755 - Leung; Chi Yin Alan ; et al. | 2017-02-09 |
| Multi-wire Quick Assemble Tree App 20160278559 - Leung; Chi Yin Alan ; et al. | 2016-09-29 |
| Powered tree construction Grant 9,119,495 - Leung , et al. September 1, 2 | 2015-09-01 |
| Powered Tree Construction App 20150157159 - Leung; Chi Yin Alan ; et al. | 2015-06-11 |
| Powered Tree Construction App 20150072087 - Leung; Chin Yin Alan ; et al. | 2015-03-12 |
| Powered tree construction Grant 8,959,810 - Leung , et al. February 24, 2 | 2015-02-24 |
| Powered tree construction Grant 8,863,416 - Leung , et al. October 21, 2 | 2014-10-21 |
| Powered Tree Construction App 20140087094 - Leung; Chi Yin Alan ; et al. | 2014-03-27 |
| Powered Tree Construction App 20130108808 - Leung; Chi Yin Alan ; et al. | 2013-05-02 |
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