Fan

Details Fan Fan

1977-11-21

1980-03-25

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D14 33, D28 13, D2304

Patent

active

D02545659

REFERENCES:
patent: D160922 (1950-11-01), Ciulla
patent: D209247 (1967-11-01), Ayers
patent: D239883 (1976-05-01), Long et al.
patent: 2549087 (1951-04-01), Harghbarger

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