Air cleaner

Details Air cleaner Air cleaner

1977-09-26

1980-03-11

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2304

Patent

active

D02544423

REFERENCES:
patent: D87982 (1932-10-01), Seyfried
patent: 2808237 (1957-10-01), Fosnes
patent: 3626669 (1971-12-01), Cardiff
Electrical Merchandising, Oct. 1950, p. 195, "Fasco Industries, Inc." item.
Home Furnishings Daily, Jul. 12, 1960, p. 26, "Rivalaire Purifier" item.

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