Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent
1986-03-17
1989-02-21
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
Patent
active
D02999099
REFERENCES:
patent: D186908 (1959-12-01), Paramater
patent: D206004 (1966-10-01), Perkins
patent: D207010 (1967-02-01), Raymond
patent: D211058 (1968-05-01), Neubrech
patent: D223359 (1972-04-01), Anderson
patent: D226271 (1973-02-01), Holtzman
patent: D273580 (1984-04-01), Riumbay
patent: 2229009 (1941-01-01), Berry
patent: 3609545 (1971-09-01), Engelhard
Associated Equipment Corporation
Holtje Nelson C.
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