Ventilator housing

Details Ventilator housing Ventilator housing

1978-11-06

1980-09-02

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2304

Patent

active

D02567253

REFERENCES:
patent: D111516 (1938-09-01), Kreutzer
patent: 120031 (1871-10-01), Brown
patent: 1542740 (1925-06-01), Spillman
patent: 2188741 (1940-01-01), Roberts
patent: 3011423 (1961-12-01), Breidert
patent: 3040646 (1962-06-01), Jueng et al.
patent: 3107598 (1963-10-01), Rudy
patent: 3788207 (1974-01-01), Doherty
patent: 3855910 (1974-12-01), Brinton et al.

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