Air heater

Details Air heater Air heater

1988-09-28

1990-11-20

Gandy, James M.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Portable

Patent

active

D03123022

REFERENCES:
patent: D87100 (1932-06-01), Booth
patent: D227367 (1973-06-01), Schaefer
patent: 4737616 (1988-04-01), Wen-Ying
Markel Electric Products, Inc., Adv. Brochure, p. 3, .circle.1 Hi-Wattage Heetaire, right middle side of page.
McGraw-Edison Co. Adv. Brochure, p. 2, Toastmaster Heavy Duty Heater Model H940, lower left side of page, Heating Equipment Box III, in Examiner Lichtenstein's Office.
Hardware Age, Jul. 31, 1958, p. 40, General Electric Automatic Heater, Model H-4, lower left side of page, Heating Equipment Box III, in Examiner Lichtenstein's Office.
Home Furnishings Daily, 8/5/65, p. 26, Automatic Fault Heater, left bottom side of page, Heating Equipment Box III, in Examiner Lichtenstein's Office.

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