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Patent US514973 - NIKOLA TESLA
NIKOLA TESLA
NIKOLA TESLA
› Overview
Abstract
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Description
Claims
Patent number
: 514973
Filing date
: Dec 15, 1893
Issue date
: Feb 20, 1894
Inventor
:
NIKOLA TESLA
Current U.S. Classification
:
324/122
;
313/353
;
313/633
View patent at USPTO
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Drawings