Fan blade

Details Fan blade Fan blade

1982-01-29

1984-10-09

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Patent

active

D02758849

REFERENCES:
patent: D43510 (1913-02-01), Sparks
patent: D136162 (1943-08-01), Leo
patent: D142260 (1945-08-01), Leo
patent: D142959 (1945-11-01), Leo
patent: D173436 (1954-11-01), Kline
patent: D246796 (1977-12-01), Laymon et al.
patent: 277535 (1883-05-01), Baker
patent: 1056226 (1913-03-01), Sparks
patent: 1072189 (1913-09-01), Sparks
patent: 2091677 (1937-08-01), Fredericks
patent: 2426742 (1947-09-01), Pawlowski
patent: 4358245 (1982-11-01), Gray

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