Chang; Li-yung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Li-yung.The latest application filed is for "tamper evident bag".
- Chang; Li-yung - Livingston NJ
- Chang; Li-yung - Morristown NJ
| Patent | Date |
|---|---|
| Tamper evident bag Grant D958,668 - Lin , et al. July 26, 2 | 2022-07-26 |
| Tamper Evident Bag App 20200339332 - Lin; Sumei ; et al. | 2020-10-29 |
| Tamper evident bag Grant 10,793,335 - Lin , et al. October 6, 2 | 2020-10-06 |
| Tamper evident bag Grant D891,267 - Lin , et al. | 2020-07-28 |
| Tamper evident bag Grant 10,604,305 - Lin , et al. | 2020-03-31 |
| Low profile carry bag Grant D878,924 - Lin , et al. | 2020-03-24 |
| Tamper Evident Bag App 20190300242 - Lin; Sumei ; et al. | 2019-10-03 |
| Tamper Evident Bag App 20190233191 - Lin; Sumei ; et al. | 2019-08-01 |
| Cup lid with support for smart phone Grant D831,483 - Tseng , et al. October 23, 2 | 2018-10-23 |
| Reclosable bag with header Grant 10,106,297 - Chang , et al. October 23, 2 | 2018-10-23 |
| Reclosable Bag With Header App 20180186517 - Chang; Li-Yung ; et al. | 2018-07-05 |
| Reclosable bag with tearable header Grant D812,488 - Chang , et al. March 13, 2 | 2018-03-13 |
| Method of Packaging Food in a Bag App 20170217643 - Chang; Li-Yung ; et al. | 2017-08-03 |
| Reclosable bag with header Grant 9,511,911 - Chang , et al. December 6, 2 | 2016-12-06 |
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