Valve

Details Valve Valve

1980-04-08

1982-10-26

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02666910

REFERENCES:
patent: D23938 (1895-01-01), Crosby
patent: D32497 (1900-04-01), Apgar
patent: D129649 (1941-09-01), Dreyfuss
patent: 1203395 (1916-10-01), Palmer
patent: 2888952 (1959-06-01), Klaren
patent: 2902253 (1959-09-01), Page
patent: 3139907 (1964-07-01), Jones
patent: 3475002 (1969-10-01), Phillips
patent: 4003403 (1977-01-01), Nehring

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