Title:
Doorstop and alarm
Document Type and Number:
United States Patent 1866233
Inventors:
Robert, Tarrant
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Publication Date:
07/05/1932
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Referenced by:
Export Citation:
Assignee:
Robert, Tarrant
Primary Class:
Other Classes:
292/166, 292/175, 70/DIG.049
International Classes:
E05F5/06; E05F5/00