Valve handle

Details Valve handle Valve handle

1975-12-02

1976-12-07

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02426196

REFERENCES:
patent: D78614 (1929-05-01), Brown
patent: D84462 (1931-06-01), Clemmons
patent: D100698 (1936-08-01), Knapp et al.
patent: D105254 (1937-07-01), Zinkil
patent: D222620 (1971-11-01), Callahan, Jr. et al.

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