Title:
Elevator door system
United States Patent 2517713


Inventors:
Rissler, Lennius R.
Application Number:
US77659747A
Publication Date:
08/08/1950
Filing Date:
09/27/1947
Assignee:
WESTINGHOUSE ELECTRIC CORP
Primary Class:
Other Classes:
187/315
International Classes:
B66B13/12
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