Patents by Inventor Sarah G. Weiss

Sarah G. Weiss 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).

  • Mathematical educational set
    Patent number: D621878
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: August 17, 2010
    Assignee: Nechemia Weiss
    Inventors: Nechemia Weiss, Sarah G. Weiss
  • Educational set of cards for addition and subtraction
    Patent number: D757175
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: May 24, 2016
    Assignee: Spots Educational Resources—Spots for M.A.T.H.
    Inventors: Nechemia Weiss, Sarah G. Weiss