Patents by Inventor Mark Lev Shapiro

Mark Lev Shapiro has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Gear actuated angle measurement tool
    Publication number: 20090235545
    Abstract: An angle measurement tool having two legs joined together about a common axis so that one of the legs rotates with respect to the other to form a desired angle the value of which is read utilizing gears that are housed in said legs in combination with indicia means indicating the degree of rotation of the gears.
    Type: Application
    Filed: March 19, 2008
    Publication date: September 24, 2009
    Inventor: Mark Lev Shapiro