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http://www.google.co.uk/patents/US3501966?utm_source=gb-gplus-share
Patent US3501966 - FLIP-FLOP
FLIP-FLOP
Sol Shapiro et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 3501966
Filing date
: 4 Dec 1967
Issue date
: 24 Mar 1970
Plain text
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