Sprinkler

Details Sprinkler Sprinkler

1976-03-03

1977-07-05

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02449366

REFERENCES:
patent: D123443 (1940-11-01), Weirich
patent: D200287 (1965-02-01), Cornwell
patent: D211943 (1968-08-01), Beinert
patent: D226193 (1973-01-01), Anderson
patent: D233835 (1974-12-01), Reinecke
patent: 2722454 (1955-11-01), Jepson
patent: 3231199 (1966-01-01), Mattson

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