Thermostat

Details Thermostat Thermostat

1989-02-27

1991-06-04

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Regulator or control

Patent

active

D03172686

REFERENCES:
patent: D165539 (1951-12-01), Morgan
patent: D175675 (1955-09-01), Dreyfuss
patent: D191955 (1961-12-01), Briggs
patent: D228468 (1973-09-01), Wolfe
patent: D249476 (1973-09-01), Kolbow
patent: D254052 (1980-01-01), Wolfe
patent: D255103 (1980-05-01), Wolfe
patent: D256335 (1980-08-01), Pasquarette
patent: D256336 (1980-08-01), Odom et al.
patent: D270815 (1983-10-01), Odom
patent: D271086 (1983-10-01), Odom
patent: D271380 (1983-11-01), Zanazzo et al.
patent: D288785 (1987-03-01), Levine
patent: 4264034 (1981-04-01), Hyltin et al.
patent: 4374541 (1983-02-01), Hoberman
patent: 4621336 (1986-11-01), Brown
The Honeywell Spectrum, Various Thermostats, 6/1986, throughout brochure.

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