Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 14, 2011
Patent Application Number
12830438
Date Filed
July 6, 2010
Patent Citations Received
Patent Primary Examiner
Patent abstract
A ruler including a slip resistant member, wherein the slip resistant member is operable to engage with a working surface to resist the sliding of the ruler when user applies force on the slip resistant member, and is disengaged from the working surface to allow the sliding of the ruler on the working surface when user releases force applied on the slip resistant member.
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