Title:
Snap-movement valve mechanism
United States Patent 1395551


Inventors:
Brand, Charles F.
Application Number:
US41576820A
Publication Date:
11/01/1921
Filing Date:
10/09/1920
Assignee:
Brand, Charles F.
Primary Class:
Other Classes:
236/48R, 251/243, 251/280
International Classes:
F24D19/08
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