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http://www.google.co.uk/patents/US3693197?utm_source=gb-gplus-share
Patent US3693197 - BATH DRAIN LIFT WIRE CONNECTION
BATH DRAIN LIFT WIRE CONNECTION
Gerald E. Christiansen et al
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 3693197
Filing date
: 30 Oct 1970
Issue date
: 6 Sep 1972
Inventors
:
Gerald E. Christiansen
,
Gerald E. Christiansen
Current U.S. Classification
:
4/683
View patent at USPTO
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US4042984
31 Dec 1975
23 Aug 1977
American Bath and Shower Corporation
Automatic bathtub water level control system
US4930164
13 Feb 1989
5 Jun 1990
Double drain
Drawings
Drawings
