Patents by Inventor Michael Z. Schachter

Michael Z. Schachter 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).

  • Precious stone
    Patent number: D340665
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: October 26, 1993
    Inventor: Michael Z. Schachter
  • Precious stone
    Patent number: D340666
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: October 26, 1993
    Inventor: Michael Z. Schachter
  • Precious stone
    Patent number: D340667
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: October 26, 1993
    Inventor: Michael Z. Schachter
  • Precious stone
    Patent number: D340668
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: October 26, 1993
    Inventor: Michael Z. Schachter
  • Precious stone
    Patent number: D340669
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: October 26, 1993
    Inventor: Michael Z. Schachter
  • Precious stone
    Patent number: D340670
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: October 26, 1993
    Inventor: Michael Z. Schachter
  • Precious stone
    Patent number: D343141
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: January 11, 1994
    Inventor: Michael Z. Schachter