Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1989-10-23
1991-09-10
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D 8 71
Patent
active
D03197948
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Davis Antoine D.
Elkins James A.
Holtje Nelson C.
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