Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1981-12-17
1984-04-17
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D10 61
Patent
active
D02734672
REFERENCES:
patent: D31837 (1899-11-01), Thomas
patent: D140597 (1945-03-01), Gilbert
patent: D194371 (1963-01-01), Hittle
patent: D242904 (1977-01-01), Benoit
patent: 1530832 (1925-03-01), Johnston
patent: 2528431 (1950-10-01), Greenberg
patent: 2632255 (1953-03-01), Mosca
Holland Hitch Company
Holtje Nelson C.
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