Portable radiant electric heater

Details Portable radiant electric heater Portable radiant electric heater

1981-04-08

1983-10-25

Kemper, Catherine E.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2303

Patent

active

D02711320

REFERENCES:
patent: D189410 (1960-12-01), Relation
patent: D225851 (1973-01-01), Cowan
patent: D259892 (1981-07-01), Boekamp
patent: D267424 (1982-12-01), Boldt et al.
Boekamp Advertisement, "Energy Conscious America Needs Efficient Heating".
Ultra-Quartz Corp. Instruction Sheet (Two Pages).
Boekamp Inc. Form No. 77920R.
Ultra-Quartz "People Heater" Literature Sheet.
Welco Quartz Heater (Retailing Home Furnishings, Jun. 30, 1980).
Thermo-Tech Corporation Quartz Heater (Retail Home Furnishings, Jun. 30, 1980).
Betco Quartz Heater Literature Sheet.
Mr. Heater Literature Sheet (Two Pages).
Hamilton Beach Quartz Heater Literature Sheet.

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