Title:
Elevator door operating system
United States Patent 2200074
Inventors:
Bouton, Edgar M.
Publication Date:
05/07/1940
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Export Citation:
Assignee:
WESTINGHOUSE ELEC ELEVATOR CO
Primary Class:
Other Classes:
292/201, 187/331, 187/301
International Classes:
B66B13/16; B66B13/14