Lugged annular coupling

Details Lugged annular coupling Lugged annular coupling

1979-03-20

1982-04-20

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02639920

REFERENCES:
patent: D171627 (1954-03-01), Weber
patent: D247182 (1978-02-01), Ebert
patent: D254505 (1980-03-01), Parsons
patent: 1259684 (1918-03-01), Vinten
patent: 1525794 (1925-02-01), Blake
patent: 2165163 (1939-07-01), Waters
patent: 2449121 (1948-09-01), Jones
patent: 3162470 (1964-12-01), Davidson et al.
patent: 3227380 (1966-01-01), Pinkston
patent: 4211439 (1980-07-01), Mollestad

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