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Patent US137810 - IMPROVEMENT IN CONNECTING-POSTS FOR ELECTRICAL APPARATUS
IMPROVEMENT IN CONNECTING-POSTS FOR ELECTRICAL APPARATUS
THOMAS WISHART et al
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 137810
Filing date
: Mar 3, 1873
Issue date
: Apr 15, 1873
Inventors
:
THOMAS WISHART
,
THOMAS WISHART
Current U.S. Classification
:
439/817
View patent at USPTO
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US4675948
Jan 3, 1986
Jun 30, 1987
AB Fixfabriken
Cord locking device
Drawings
Drawings
