Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1988-09-06
1991-01-29
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
Patent
active
D03141551
REFERENCES:
patent: D229968 (1974-01-01), Williams
patent: D255335 (1980-06-01), Joslin et al.
patent: D300727 (1989-04-01), Fukushima
patent: 3855863 (1974-12-01), Kuehn et al.
patent: 4444990 (1984-04-01), Villar
patent: 4572365 (1986-02-01), Bruno et al.
patent: 4619271 (1986-10-01), Burger et al.
Wahl Digital Heat-Prober Thermometer, Maxi-Temp, 8/76, cover.
Pacer Industries, Inc., Model: HTA 4200, 8/10/82, cover.
Extech, Electronic Hygro-Thermometer, 1987, p. 8.
Davis Antoine D.
Holtje Nelson C.
Vaisala Oy
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