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Assignee: Huey Yeau Co., LTD


Location: KaohsiungHsien, TW
No. of patents: 1

NumberTitleIssue Date
6266841Automatic erasing device for erasing chalk marks on a writing board by water
An automatic erasing device is used for erasing chalk marks on a writing board, and includes an erasing mechanism having an elongated housing disposed frontwardly of and slidable relative to the writing board along a longitudinal axis. The housing extends...
07/31/2001
 
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