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Shijonawate, JA
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Patents Grants
last 30 patents
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Patent Grant
Digital clock
Patent number
4,060,972
Issue date
Dec 6, 1977
Matsushita Electric Works, Ltd.
Rokusaburo Kimura
G04 - HOROLOGY
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Patent Grant
Alarm device of clocks
Patent number
4,057,957
Issue date
Nov 15, 1977
Matsushita Electric Works, Ltd.
Rokusaburo Kimura
G04 - HOROLOGY