Jiann-Jong Chen

Follow

Person

Taipei, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Structure of supporter for tie knot of knotting-free necktie
- Patent number 5,983,461
- Issue date Nov 16, 1999
- Jiann-Jong Chen
- A41 - WEARING APPAREL
Information Patent Grant
Preknotted adjustable necktie
- Patent number 4,897,887
- Issue date Feb 6, 1990
- Jiann-Jong Chen
- A41 - WEARING APPAREL
Information Patent Grant
Seaman style preset necktie
- Patent number 4,856,114
- Issue date Aug 15, 1989
- Jiann-Jong Chen
- A41 - WEARING APPAREL
Information Patent Grant
Preset necktie
- Patent number 4,835,794
- Issue date Jun 6, 1989
- Jiann-Jong Chen
- A41 - WEARING APPAREL
Information Patent Grant
Pre-tied necktie
- Patent number 4,513,453
- Issue date Apr 30, 1985
- Jiann; J. Chen
- A41 - WEARING APPAREL