Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent
1991-02-07
1994-01-04
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
Patent
active
D03429105
REFERENCES:
patent: D260085 (1981-08-01), Mitchell
patent: D298808 (1988-12-01), Wang
patent: D326265 (1992-05-01), Freadman
patent: 4701698 (1987-10-01), Karlsson et al.
Bender S. Michael
Davis Antoine D.
Holtje Nelson C.
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