Title:
Valve-operating means
United States Patent 1641560

Inventors:
Whidden, Austin C.
Publication Date:
09/06/1927
View Patent Images:
Download PDF 1641560 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Whidden, Austin C.
Primary Class:
137/630.170
Other Classes:
251/250, 137/607, 74/471R
International Classes:
F16K11/16; F16K11/10