Booster fan and deflector for floor vent

Details Booster fan and deflector for floor vent Booster fan and deflector for floor vent

1983-01-07

1985-08-27

Kemper, Catherine E.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D23138, D23151

Patent

active

D02803399

REFERENCES:
patent: D122133 (1940-08-01), Bedol
patent: D228912 (1973-10-01), Lewis
patent: 549897 (1895-11-01), Carroll
patent: 1274649 (1918-08-01), Wilson
patent: 1363383 (1920-12-01), Ash et al.
patent: 1536846 (1925-05-01), Heath et al.
patent: 1645140 (1927-10-01), Herbruck
patent: 1843786 (1932-02-01), Robinson
patent: 3225679 (1965-12-01), Meyer

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