Patent US1241244 - ELECTRICALLY-HEATED WATER-CONTAINING RADIATOR

Zitiert von Patent	Eingetragen	Ausgestellt	Ursprünglich Bevollmächtigter	Titel
US4223205	30. Mai 1978	16. Sept. 1980		Central heating systems furnace having a self-contained electric steam heating unit
US4791274	4. März 1987	13. Dez. 1988		Electric finned-tube baseboard space heater employing a vaporized working fluid
US5721804	12. Okt. 1995	24. Febr. 1998	Heatech International, Inc.	Y-shaped portable electric space heater with value to reduce pressure within the boiler

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