Title:
Climbing-elevator device
United States Patent 1348138


Inventors:
John, Hunt
Application Number:
US30359519A
Publication Date:
07/27/1920
Filing Date:
06/12/1919
Assignee:
John, Hunt
Primary Class:
Other Classes:
182/14, 182/141, 187/239, 187/270, 187/407
International Classes:
B66B9/00
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