Measuring – testing – or signalling instruments – Security or signal instrument or casing – Visual
Patent
1980-08-25
1983-03-08
Lucas, Susan J.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Visual
D10119, D26 38, D26 49, D1006, D2602
Patent
active
D02681757
REFERENCES:
patent: D25238 (1896-03-01), Abell
patent: D76516 (1928-10-01), Zisch
patent: D192098 (1962-01-01), Bautsch
patent: 3609344 (1971-09-01), So
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