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Patent applications and USPTO patent grants for UNITECH ZIPPER & MACHINERY CO., LTD..The latest application filed is for "watertight slide fastener".
Patent | Date |
---|---|
Chain for slide fastener Grant D893,348 - Cheng A | 2020-08-18 |
Watertight slide fastener Grant 10,575,599 - Cheng | 2020-03-03 |
Method for manufacturing a watertight zipper Grant 10,421,222 - Cheng Sept | 2019-09-24 |
Watertight Slide Fastener App 20190142116 - Cheng; Jung-Yuan | 2019-05-16 |
Waterproof Fastener Tape and Watertight Slide Fastener Including the Same App 20190037976 - Cheng; Jung-Yuan | 2019-02-07 |
Method for manufacturing a watertight zipper Grant 10,144,160 - Cheng De | 2018-12-04 |
Double-layered watertight zipper Grant 10,080,405 - Cheng September 25, 2 | 2018-09-25 |
Slide fastener tape Grant D823,719 - Cheng July 24, 2 | 2018-07-24 |
Watertight zipper Grant D823,718 - Cheng July 24, 2 | 2018-07-24 |
Double-Layered Watertight Zipper App 20180020784 - Cheng; Jung-Yuan | 2018-01-25 |
Method for Manufacturing A Watertight Zipper App 20170266856 - Cheng; Jung-Yuan | 2017-09-21 |
Method for Manufacturing a Watertight Zipper App 20170113384 - Cheng; Jung-Yuan | 2017-04-27 |
Manufacturing Method of Waterproof Coil Zipper App 20140130974 - Chen; Tzu-Chi | 2014-05-15 |
Zipper tooth Grant D657,287 - Cheng April 10, 2 | 2012-04-10 |
Lower stop device for an invisible zipper Grant D528,040 - Cheng September 12, 2 | 2006-09-12 |
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