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Patent US1164069 - CALL-BOX
CALL-BOX
A. CLOKEY
› Overview
Abstract
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Description
Claims
Patent number
: 1164069
Filing date
: Jun 23, 1915
Issue date
: Dec 14, 1915
Inventor
:
A. CLOKEY
Original Assignee
:
THE WESTERN
Current U.S. Classification
:
340/309
View patent at USPTO
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