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Walter's Co., Ltd.
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Yonlin Hsien, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Toilet bowl in combination with pressurized flush tank
Patent number
6,219,855
Issue date
Apr 24, 2001
Walter's Co., Ltd.
Walter W. Hsu
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Circle drawing tool
Patent number
5,987,760
Issue date
Nov 23, 1999
Walter's Co., Ltd.
Walter W. Hsu
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES