Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1993-02-17
1994-03-22
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
D20 10
Patent
active
D03453138
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Burke Wallace R.
Guard-Tech Industries, Inc.
Jackson Marcus
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