Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1981-02-12
1983-04-26
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D1004
Patent
active
D02687399
REFERENCES:
patent: D233787 (1974-11-01), Uchino
patent: D235627 (1975-07-01), Uchino
patent: D255998 (1980-07-01), Merchant
patent: D257012 (1980-09-01), Sibukawa
patent: 4229883 (1980-10-01), Kobashi
C. E. Johansson AB
Holtje Nelson C.
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