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Pao-Chaing Chen
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Taichung, TW
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Patents Grants
last 30 patents
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Patent Grant
Compound bicycle exercising apparatus
Patent number
4,889,335
Issue date
Dec 26, 1989
Diversified Investments Corporation
Pao-Chaing Chen
A63 - SPORTS GAMES AMUSEMENTS
Patents Applications
last 30 patents
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Patent Application
Doorstop Bar
Publication number
20120279538
Publication date
Nov 8, 2012
Ching's Shen Enterprise Corp.
Pao-Lu Chen
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES