Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible
Patent
1995-06-09
1996-09-24
Jackson, Marcus A.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Aural, i.e., audible
Patent
active
D03739660
REFERENCES:
patent: D248151 (1978-06-01), Duris
patent: D254727 (1980-04-01), Mitumori
patent: D297519 (1988-09-01), Shimoya
patent: D339544 (1993-09-01), Sone
Kigawa Naoyuki
Sone Takahiro
Jackson Marcus A.
Star Micronics Co. Ltd.
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