Measuring – testing – or signalling instruments – Security or signal instrument or casing – Element or attachment
Patent
1978-05-15
1980-07-22
Gandy, James M.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Element or attachment
D10120, D14 39, D23115, D1006
Patent
active
D02560020
REFERENCES:
patent: D215974 (1969-11-01), Berns
patent: 2994259 (1961-08-01), O'Day
1973 Lafayette Radio Electronics Catalog No. 730, P. 191, Flush-Mounting Plastic Baffle No. AD580-P, center left side of page.
Federal Signal Corporation
Gandy James M.
Pigott, Jr. Charles F.
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