U.S. patents available from 1976 to present.
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Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 236/22 - Radiator type


Subclass of Class 236 - Automatic temperature and humidity regulation
Definition: Combined radiators and heaters where the heater is controlled
No. of patents: 1
Last issue date: 07/15/1986


NumberTitleIssue Date
4599992Anticipatory thermostat with reset for domestic hydronic boiler control
A hot water heating system for a building has a hot water storage tank, a combustor, a burner for firing the combustor, a plurality of radiators, a pump for circulating hot water to and from the plurality of radiators, a first thermostat for measuring the... 		07/15/1986
 
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