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Patent US528529 - BROWN
BROWN
CHARLES W. BROWN
› Overview
Abstract
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Description
Claims
Patent number
: 528529
Filing date
: Jan 16, 1894
Issue date
: Nov 6, 1894
Inventor
:
CHARLES W. BROWN
Original Assignee
:
THE BELL TELE
Current U.S. Classification
:
439/750
;
439/825
View patent at USPTO
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Drawings
