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http://www.google.com.au/patents/US2201898?utm_source=gb-gplus-share
Patent US2201898 - AUTOMATIC SWITCH
AUTOMATIC SWITCH
Julian Holiday et al
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 2201898
Filing date
: 26 Oct 1938
Issue date
: 21 May 1940
Inventors
:
Julian Holiday
,
Julian Holiday
Current U.S. Classification
:
307/114
View patent at USPTO
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US5982051
24 Aug 1998
9 Nov 1999
Legrand
Legrand SNC
Electronic two-way switching circuit
Drawings
Drawings
