Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1982-09-07
1983-09-13
Wayner, William E.
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
236 47, 337360, 337380, H01H 3704, G05D 2300
Patent
active
044036469
ABSTRACT:
A thermostat device for motels/hotels requiring the guest use a key to select a desired room temperature which in turn requires that the thermostat must be set back to a preset temperature when guest desires to lock the door to his motel/hotel room upon leaving the room.
REFERENCES:
patent: 3999158 (1976-12-01), Rae
patent: 4060123 (1977-11-01), Hoffman et al.
patent: 4374541 (1983-02-01), Hoberman
Miller Richard L.
Wayner William E.
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