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http://www.google.ca/patents/US1876877?utm_source=gb-gplus-share
Patent US1876877 - DOUGLAS
DOUGLAS
H. A. DOUGLAS et al
› Overview
Abstract
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Description
Claims
Patent number
: 1876877
Filing date
: 3 Feb 1930
Issue date
: 13 Sep 1932
Inventors
:
H. A. DOUGLAS
,
H. A. DOUGLAS
Current U.S. Classification
:
362/306
;
439/546
View patent at USPTO
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US4403277
30 Jan 1981
6 Sep 1983
Cooper Industries, Inc.
Industrial lighting illumination
US6309249
29 Jan 1999
30 Oct 2001
Zenith Products Corp.
Faceplate light socket assembly
Drawings
Drawings
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