Measuring – testing – or signalling instruments – Security or signal instrument or casing – Visual
Patent
1991-10-31
1993-06-29
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Visual
D10104
Patent
active
D03368645
REFERENCES:
patent: D288676 (1987-03-01), Dewhurst
patent: D309193 (1990-07-01), Chakrabarti et al.
patent: 3916377 (1975-10-01), Demeter
patent: 4713732 (1987-12-01), Schamblin
Burke Wallace R.
Designtech International Inc.
Jackson Marcus
LandOfFree
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