Portable fan

Details Portable fan Portable fan

1977-10-19

1980-01-08

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2304

Patent

active

D02539080

REFERENCES:
patent: D109143 (1938-04-01), Kruck
patent: D152758 (1949-02-01), Ullman
patent: D218429 (1970-08-01), Yotsukura
patent: D240231 (1976-06-01), Patton
patent: 2711287 (1955-06-01), Russell
patent: 3173478 (1965-03-01), Maycen
patent: 3697198 (1972-10-01), Holder, Jr.

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