Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1990-01-26
1992-09-01
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
D10 50, D10 52
Patent
active
D03290239
REFERENCES:
patent: D209776 (1968-01-01), Kutz
patent: D230355 (1974-02-01), Van der Brock et al.
patent: D266151 (1982-09-01), Dawson
patent: 4523280 (1985-06-01), Bachman
patent: 4762428 (1988-08-01), Villiger
patent: 4919331 (1990-04-01), Kosik, Sr. et al.
patent: 5060859 (1991-10-01), Bancroft
Davis Antoine D.
Holtje Nelson C.
Ratnik Industries Inc.
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