Heat register

Details Heat register Heat register

1987-05-18

1991-03-26

Gandy, James M.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Patent

active

D03157903

REFERENCES:
patent: 1559376 (1925-10-01), Riker
patent: 2201830 (1940-05-01), Hoffer et al.
patent: 2308262 (1943-01-01), Beil
patent: 3391629 (1968-07-01), Snell
patent: 3403615 (1968-10-01), Dayus
patent: 3426668 (1969-02-01), Hofmeister et al.
patent: 3777650 (1973-12-01), Wenig
Automotive News, Apr. 8, 1963, p. 18, Climatic Air Imperial Auto Air conditioner, bottom right side of page.
Heating & Air Conditioning Contractor, 10/68, p. 2, Shallow-Valve Floor Diffuser, middle top of page.

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