Portable heater device

Details Portable heater device Portable heater device

1983-04-18

1986-01-14

Kemper, Catherine E.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D24 68

Patent

active

D02822024

REFERENCES:
patent: D240082 (1976-05-01), Garwood
patent: 1492595 (1924-05-01), Edmands
patent: 1603670 (1926-10-01), Edmands
patent: 2221318 (1940-11-01), Worthing et al.
patent: 2620430 (1952-12-01), Trowbridge
patent: 3353005 (1967-11-01), Sisson et al.
patent: 3515853 (1970-06-01), McAdams
patent: 3654429 (1972-04-01), Strachan
patent: 3689737 (1972-09-01), Eckles et al.
patent: 3731051 (1973-05-01), Ellersick
patent: 4159411 (1979-06-01), Ellersick
patent: 4349724 (1982-09-01), Ellersick

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