Patent ID: 7731501
Filing Date: 2010-06-08
Classification: B43L,B63C

Abstract:
1. An underwater writing tablet, comprising: first and second plastic rollers; first and second rotation knobs fitted at respective ends of said first and second plastic rollers; a face plate positioned between said first and second plastic rollers; a retractable member placed under said face plate and configured with drawing instrument holder; and a plastic vellum sheet rolled around said first and second plastic rollers and placed over said face place, wherein said plastic vellum sheet rolls between said first and second plastic rollers when one of said first and second rotation knobs is rotated by a user, and wherein said first and second plastic rollers, first and second rotation knobs and face plate are made of negative buoyant materials and the tablet has a slightly negative buoyancy at a depth of fifty feet so that the tablet does not sink or ascend rapidly underwater.