Fan

Details Fan Fan

1975-04-07

1977-08-16

Burke, Wallace R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2304

Patent

active

D02454262

REFERENCES:
patent: D48494 (1916-02-01), Irving
patent: D193643 (1962-09-01), Klonoski et al.
patent: D225853 (1973-01-01), Hecht
patent: D228913 (1973-10-01), Fulton
patent: D232362 (1974-08-01), Bonifant
patent: D234517 (1975-03-01), Bonifant
patent: D235021 (1975-04-01), Fulton
patent: 3594098 (1971-07-01), Pratinidhi
patent: 3639078 (1972-02-01), Pratinidhi
patent: 3728043 (1973-04-01), Pratinidhi
patent: 3794001 (1974-02-01), Birch et al.
Electrical Manufacturing, p. 14, Jan. 1937, Autocrat Fan, top left side of page.

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