Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Portable
Patent
1992-09-09
1994-01-25
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Portable
D14214, D23332
Patent
active
D03436764
REFERENCES:
patent: D318054 (1991-07-01), Kikutani
patent: D323382 (1992-01-01), Wang
patent: D327946 (1992-07-01), Barre
Hardware Age, Jul. 65, p. 59, Automatic Electric Heater, middle of page, Heating Equipment Box I.
Hong Kong Enterprise, Oct. 1991, p. 199, Heater @A , upper left side of page.
Burke Wallace R.
Lichtenstein Lisa
Royal Sovereign Corp.
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