Patents by Inventor Avraham Siman-Tov

Avraham Siman-Tov 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).

  • Gemstone
    Patent number: D501644
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: February 8, 2005
    Inventors: Jacob Siman-Tov, Itzak Siman-Tov, Avraham Siman-Tov, Shai Siman-Tov
  • Flower-shaped cut diamond
    Patent number: D384592
    Type: Grant
    Filed: May 30, 1996
    Date of Patent: October 7, 1997
    Inventors: Jacob Siman-Tov, Itzhak Siman-Tov, Avraham Siman-Tov
  • Gemstone
    Patent number: D391518
    Type: Grant
    Filed: January 23, 1996
    Date of Patent: March 3, 1998
    Inventors: Christopher Slowinski, Avraham Siman-Tov
  • Flower-shaped cut diamond
    Patent number: D398552
    Type: Grant
    Filed: November 14, 1996
    Date of Patent: September 22, 1998
    Inventors: Jacob Siman-Tov, Itzhak Siman-Tov, Avraham Siman-Tov