Heat recirculator

Details Heat recirculator Heat recirculator

1977-02-09

1979-08-14

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D23144, 98 33A, D2304

Patent

active

D02526417

REFERENCES:
patent: D173531 (1954-11-01), Halbeisen
patent: D176137 (1955-11-01), Jenks
patent: D238278 (1975-12-01), Baker, Jr.
patent: 2251725 (1941-08-01), Warren
patent: 3347025 (1967-10-01), Wiley
patent: 3827342 (1974-08-01), Hughes

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