Title:
Key unit
United States Patent 1736235
Inventors:
Von, Kersburg Harry E.
Publication Date:
11/19/1929
View Patent Images:
Export Citation:
Assignee:
R H MACY & CO INC
Primary Class:
Other Classes:
40/657, 312/321, 312/322
International Classes:
A47G29/10; A47G29/00