Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1977-09-07
1979-07-31
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D10 66, D10101, D1004
Patent
active
D02525003
REFERENCES:
patent: D238415 (1976-01-01), Midgley
patent: 825760 (1906-07-01), Russell
patent: 2814127 (1957-11-01), Blatchford
patent: 3849898 (1974-11-01), Turloff
Holtje Nelson C.
Morton, Jr. W. Brown
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