Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1975-12-29
1977-08-02
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D1004
Patent
active
D02452359
REFERENCES:
patent: 74356 (1868-02-01), Hendry
patent: D198935 (1964-08-01), Elkins
patent: D226501 (1973-03-01), Walker
patent: 1118067 (1914-11-01), Smith
patent: 1166512 (1916-01-01), Dannenfelser
patent: 1281790 (1918-10-01), Kirk
Holtje Nelson C.
On-Line Data, Inc.
Wofford Wm. T.
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