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Patent US619679 - ALLEN A
ALLEN A
ALLEN A. DITTMAR
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 619679
Filing date
: Aug 27, 1898
Issue date
: Feb 14, 1899
Inventor
:
ALLEN A. DITTMAR
Original Assignee
:
HARRY T
Current U.S. Classification
:
324/147
View patent at USPTO
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Drawings