Expandable window fan

Details Expandable window fan Expandable window fan

1993-03-29

1994-04-26

Burke, Wallace R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D23353, D23354, D23370

Patent

active

D03464415

REFERENCES:
patent: D325629 (1992-04-01), Coup et al.
patent: D329283 (1992-09-01), Maiellano, Jr. et al.
patent: 4838151 (1989-06-01), Shin-Chin
Emerson Quiet Kool Corp. Air Conditioners & Dehumidifiers 1986 Cat., p. 2, Fan 5LJ7W, lower right side of page.
Lakewood Engineering and Manufacturing Co. Cat., p. 10, Fan Model W-24, bottom right side of page.

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