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http://www.google.com/patents/US3924116?utm_source=gb-gplus-share
Patent US3924116 - FLASHLIGHT HAVING A PUSH BUTTON SWITCH
FLASHLIGHT HAVING A PUSH BUTTON SWITCH
Robert E. Brindley et al
Overview
Abstract
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Description
Claims
Patent number
: 3924116
Filing date
: Sep 4, 1974
Issue date
: 1975
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