Electric fan

Details Electric fan Electric fan

1991-09-06

1993-05-18

Burke, Wallace R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Patent

active

D03357031

REFERENCES:
patent: D311772 (1990-10-01), Yang
patent: 2164608 (1939-07-01), Cornelius
patent: 5013224 (1991-05-01), Liao
Hong Kong Enterprise Jul. 1987, p. 166, Fan A, lower right side of page.

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