Measuring – testing – or signalling instruments – Security or signal instrument or casing – Visual
Patent
1989-09-21
1991-12-24
Lucas, Susan J.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Visual
D26 68
Patent
active
D03225844
REFERENCES:
patent: D293027 (1985-05-01), Zurwelle
patent: 1780004 (1930-10-01), Connelly
patent: 2549627 (1951-04-01), Musch et al.
patent: 3728708 (1973-04-01), Culbertson
patent: 4020335 (1977-04-01), Bisceglia
Kawashima Tokio
Miyatake Tetsuya
Lucas Susan J.
Sasaki Electric Corporation
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