Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent
1987-11-13
1991-02-19
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
Patent
active
D03147150
REFERENCES:
patent: D223196 (1972-03-01), Andreaggi
patent: D261488 (1981-10-01), Lindsay et al.
patent: D282532 (1986-02-01), Brown
patent: 3893028 (1975-07-01), Febvre et al.
patent: 4604569 (1986-08-01), Tedd et al.
Xerox Disclosure Journal, Electronic Voltmeter, May/Jun. 1978, p. 175.
Fluke, 8025A Multimeter, 1983.
Fluke, Fluke 21, 23, 25 and 27 Multimeters, 2/86, brochure.
Nelson Michael D.
Wong Heiman
Becker Stephen A.
Davis Antoine D.
Holtje Nelson C.
John Fluke Mfg. Co. Inc.
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