Measuring – testing – or signalling instruments – Security or signal instrument or casing – Visual
Patent
1992-05-26
1994-05-10
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Visual
Patent
active
D03467570
REFERENCES:
patent: D224695 (1972-08-01), Cullinan
patent: D297717 (1988-09-01), Chu
patent: D309956 (1990-08-01), Sikora et al.
patent: 4653955 (1987-03-01), Racs
patent: 4717281 (1988-01-01), Shepherd et al.
Burke Wallace R.
Glass(SA) Holdings (Proprietary) Limited
Jackson Marcus
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