Measuring – testing – or signalling instruments – Security or signal instrument or casing – Visual
Patent
1977-02-10
1978-06-27
Lucas, Susan J.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Visual
D1006
Patent
active
D02482843
REFERENCES:
patent: 1291625 (1919-01-01), Palmer
patent: 1859599 (1932-05-01), Quinn
patent: 3136289 (1964-06-01), Johnson
patent: 3643902 (1972-02-01), Gualano
Harpman Webster B.
Lucas Susan J.
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