Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Stoyan I. Tcholakov0
Date of Patent
June 29, 2010
Patent Application Number
11626006
Date Filed
January 23, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
An adjustable bristle toothbrush apparatus which provides pneumatic bristle exposed length pressure adjustment. Bristles are provided in bristle bundles which are affixed to bristle bases. Each base moves within an individual cylinder via a slave piston. Adjustment of chamber pressure via the adjustment knob on the handle first end determines slave piston resistance to inward movement.
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