Title:
Door-operating mechanism
Document Type and Number:
United States Patent 1998233
Inventors:
Greegor, Ralph H.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
04/16/1935
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Referenced by:
Export Citation:
Assignee:
KINNEAR MFG COMPANY
Primary Class:
Other Classes:
160/202
International Classes:
E05D13/00; E05D15/24; E05D15/58; E05D15/00; E05D15/16