Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1984-05-10
1987-02-24
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D11 86
Patent
active
D02884143
REFERENCES:
patent: D25719 (1896-06-01), Smith
patent: 950221 (1910-02-01), Bernhardt
patent: 2729891 (1956-01-01), Winter
Centennial Jewelers, Inc.
Holtje Nelson C.
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