Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 30, 2007
Patent Application Number
10183072
Date Filed
June 27, 2002
Patent Citations Received
Patent Primary Examiner
Patent abstract
Impression devices are provided for making an impression of a desired feature. The impression devices include: a flexible bladder having a cavity formed therein, the flexible bladder being capable of conforming to the details of the desired feature; a rheological material, such as a magnetorheological fluid, disposed in the cavity of the flexible bladder; and an activator for applying an external stimulus to the rheological material to change the state of the rheological material and thereby capture an impression of the desired feature.
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