Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 4, 2023
0Patent Application Number
177528210
Date Filed
May 24, 2022
0Patent Citations
Patent Primary Examiner
A tablet-like device is configured to have a slightly negative buoyancy and to hold a sheet of waterproof synthetic paper, or another removable, waterproof recording sheet, onto which notes or messages or sketches can be recorded via a writing implement, in an underwater or marine environment, or another extreme or severe environment.
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