Sprinkler

Details Sprinkler Sprinkler

1983-01-24

1986-01-07

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Patent

active

D02820986

REFERENCES:
patent: D140665 (1945-03-01), Loverde
patent: 172024 (1876-01-01), Hug
patent: 370922 (1887-10-01), Best
patent: 425340 (1890-04-01), Oswald
patent: 911717 (1909-02-01), Gibbs
patent: 1207790 (1916-02-01), Peterson
patent: 1577225 (1926-03-01), Granger
patent: 1846395 (1932-02-01), Hoffaker
patent: 1959886 (1934-05-01), Wadsworth
patent: 2271823 (1942-02-01), Hundertmark
patent: 2694600 (1954-11-01), Richey
patent: 2727366 (1955-12-01), Hagen
patent: 2731296 (1956-01-01), Griffith
patent: 2895682 (1959-07-01), Tavone

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