Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible
Patent
1996-07-26
1997-08-19
Jackson, Marcus A.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Aural, i.e., audible
1005
Patent
active
D03825027
REFERENCES:
patent: D201593 (1965-07-01), Stevenson
patent: D215187 (1969-09-01), Doggart
patent: D264196 (1982-05-01), Doggart
Fred M. Schildwachter & Sons Inc.
Gerber Eliot S.
Jackson Marcus A.
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