Title:
Key filing system
United States Patent 1948738
Inventors:
Thayer, Reuel H.
Publication Date:
02/27/1934
Export Citation:
Click for automatic bibliography generation
Assignee:
THAYER TELKEE CORP
Primary Class:
312/234
Other Classes:
40/657, 211/11, 312/245, 312/300, 312/308, 312/326
International Classes:
A47G29/10; A47G29/00
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