Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible
Patent
1985-06-26
1988-09-06
Kemper, Catherine E.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Aural, i.e., audible
Patent
active
D02975190
REFERENCES:
patent: D248151 (1978-06-01), Duies
patent: D254727 (1980-04-01), Mitumori
patent: D254728 (1980-04-01), Mitumori
patent: D254729 (1980-04-01), Mitumori
patent: D254730 (1980-04-01), Mitumori
patent: D254731 (1980-04-01), Mitumori
Kemper Catherine E.
Kobishi Electric Co., Ltd.
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