Filter

Details Filter Filter

1976-03-18

1977-02-22

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02434580

REFERENCES:
patent: 3002870 (1961-10-01), Belgarde
patent: 3370711 (1968-02-01), Hitzelberger et al.
patent: 3696932 (1972-10-01), Rosenberg
patent: 3701433 (1972-10-01), Krakauer et al.
patent: 3896733 (1975-07-01), Rosenberg
patent: D232551 (1974-08-01), Grover
patent: D234721 (1975-04-01), Rosenberg
patent: D235035 (1975-04-01), Rosenberg

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