Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent
1988-02-08
1990-10-30
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
Patent
active
D03117006
REFERENCES:
patent: D258727 (1981-03-01), Swinstead
patent: D289504 (1987-04-01), McCain et al.
patent: D299014 (1988-12-01), Nelson et al.
patent: 4825392 (1989-04-01), Freeman
ET/D, Leader's Model LDM-851, 6/1978, p. 24.
Fordham, B & K Precision 31/2 and 41/2 Digit Lab DMM Multimeters, 1987, p. 31.
Fluke, 8000A 31/2 Digit Multimeter, 4/77.
Fluke, 8600A and 8800A Digit Multimeter, 4/77.
Data Precision, Model 1351 Digital Multimeter, 12/1979, page (cover).
Becker Stephen A.
Davis Antoine D.
Holtje Nelson C.
John Fluke Mfg. Co. Inc.
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