Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent
1990-04-23
1992-08-04
Walsh, Donald P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
D10 46, D10 78
Patent
active
D03284395
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Babkes Mitchell H.
Baugh Benjamin C.
Bieberdorf John W.
Ormand Tommy K.
Davis Antoine O.
The Charles Machine Works, Inc.
Walsh Donald P.
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