Title:
Means for opening and closing elevator cars and landing gates
United States Patent 1876438


Inventors:
Carl, Werner Herman
Application Number:
US39528529A
Publication Date:
09/06/1932
Filing Date:
09/26/1929
Assignee:
OTIS ELEVATOR CO
Primary Class:
Other Classes:
187/280, 187/301
International Classes:
B66B13/12
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