Valve handle

Details Valve handle Valve handle

1975-12-02

1977-01-04

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02429217

REFERENCES:
patent: D26565 (1897-01-01), Hart
patent: D31410 (1899-08-01), Perkins
patent: D39269 (1908-04-01), Jansen
patent: D45227 (1914-02-01), Glauber
patent: D98957 (1936-03-01), Patten
patent: D143382 (1945-12-01), Zinkil et al.
patent: D148252 (1947-12-01), Rausch
patent: D217669 (1970-05-01), Rowlands

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