Housing for a ventilating fan

Details Housing for a ventilating fan Housing for a ventilating fan

1978-11-29

1981-11-10

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2304

Patent

active

D02618036

REFERENCES:
patent: D102083 (1936-11-01), Hueglin
patent: D129935 (1941-10-01), Wilcoxson
patent: D211576 (1968-07-01), Jenn et al.
patent: D232095 (1974-07-01), Rousey
patent: D249158 (1978-08-01), Morrow
patent: 613775 (1898-11-01), Parsons
patent: 1370283 (1921-03-01), Carlson
patent: 1497408 (1924-06-01), Seelig
patent: 1642205 (1927-09-01), Hosch
patent: 1752427 (1930-04-01), Fales
patent: 1807397 (1931-05-01), Fochheimer
patent: 2191341 (1940-02-01), Curley
patent: 2369303 (1945-02-01), Kurth et al.
patent: 2554600 (1951-05-01), Sutton
patent: 2609055 (1952-09-01), Monroe
patent: 2611533 (1952-09-01), Herrman et al.
patent: 2808197 (1957-10-01), Forgo
patent: 3173604 (1965-03-01), Sheets et al.
patent: 3313342 (1967-04-01), Laing
patent: 3334807 (1967-08-01), McMahan
Architectural Forum, Dec. 1959, p. 29, center right item.

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