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http://www.google.com/patents/US371207?utm_source=gb-gplus-share
Patent US371207 - ELEVATOR
ELEVATOR
ALEXANDER MILES
› Overview
Abstract
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Description
Claims
Patent number
: 371207
Filing date
: May 23, 1887
Issue date
: Oct 11, 1887
Inventor
:
ALEXANDER MILES
Current U.S. Classification
:
187/330
View patent at USPTO
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