Key filing system
United States Patent 1948738
Inventors:
Thayer, Reuel H.
Publication Date:
02/27/1934
View Patent Images:
Export Citation:
Assignee:
THAYER TELKEE CORP
Primary Class:
Other Classes:
312/308, 211/11, 312/326, 312/300, 312/245, 40/657
International Classes:
A47G29/10; A47G29/00