Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1978-03-13
1980-06-24
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D10 69, D1007
Patent
active
D02555042
REFERENCES:
patent: D229225 (1973-11-01), Covey
patent: 703306 (1902-06-01), Roe
patent: 1052447 (1913-02-01), Armstrong
patent: 1200410 (1916-10-01), Chemrinsky
Holtje Nelson C.
Markva Neil F.
Vy-Dawn, Incorporated
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