Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible
Patent
1996-09-24
1997-11-04
Jackson, Marcus A.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Aural, i.e., audible
1005
Patent
active
D03858197
REFERENCES:
patent: D266652 (1982-10-01), Nagel
patent: D301513 (1989-06-01), Wright
patent: D311350 (1990-10-01), Tsuji
patent: D344037 (1994-02-01), Parsons
patent: D354689 (1995-01-01), Figard
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