Felix Yuan-Chi Chen

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Closure mechanism for jewelry
- Patent number 11,304,484
- Issue date Apr 19, 2022
- PAJ, Inc.
- Felix Chen
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Closure mechanism for jewelry
- Patent number 10,492,575
- Issue date Dec 3, 2019
- PAJ, Inc.
- Felix Chen
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Closure mechanism for jewelry
- Patent number 10,154,709
- Issue date Dec 18, 2018
- PAJ, Inc.
- Felix Chen
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Customizable pendant
- Patent number 6,324,868
- Issue date Dec 4, 2001
- PAJ, Inc.
- Felix Yuan-Chi Chen
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Multiple tier ring with interchangeable settings
- Patent number 4,841,746
- Issue date Jun 27, 1989
- Felix Y. C. Chen
- A44 - HABERDASHERY JEWELLERY

Patents Applicationslast 30 patents

Information Patent Application
Closure Mechanism for Jewelry
- Publication number 20200311323
- Publication date Oct 1, 2020
- PAJ, Inc.
- Felix Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CLOSURE MECHANISM FOR JEWELRY
- Publication number 20190053585
- Publication date Feb 21, 2019
- PAJ, Inc.
- Felix Chen
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
Ear Ring having a Pivotable Member
- Publication number 20110289965
- Publication date Dec 1, 2011
- Felix Chen
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
Customizable jewelry latch
- Publication number 20020066290
- Publication date Jun 6, 2002
- Felix Yuan-Chi Chen
- A44 - HABERDASHERY JEWELLERY