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Patent US930713 - WYGAL
WYGAL
WILLIAM W. WYGAL
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 930713
Filing date
: Mar 9, 1908
Issue date
: Aug 10, 1909
Inventor
:
WILLIAM W. WYGAL
Original Assignee
:
BENJAMIN N
Current U.S. Classification
:
426/581
View patent at USPTO
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Drawings
Drawings