Patents by Inventor Claire M. Marschak

Claire M. Marschak 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).

  • Patent number: D269361
    Type: Grant
    Filed: January 12, 1981
    Date of Patent: June 14, 1983
    Assignee: The Quaker Oats Company
    Inventor: Claire M. Marschak
  • Patent number: D279308
    Type: Grant
    Filed: January 20, 1983
    Date of Patent: June 18, 1985
    Assignee: The Quaker Oats Company
    Inventor: Claire M. Marschak
  • Patent number: D282674
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: February 18, 1986
    Assignee: The Quaker Oats Company
    Inventor: Claire M. Marschak
  • Patent number: D285635
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: September 16, 1986
    Assignee: The Quaker Oats Company
    Inventor: Claire M. Marschak
  • Patent number: D294612
    Type: Grant
    Filed: November 1, 1985
    Date of Patent: March 8, 1988
    Assignee: The Quaker Oats Company
    Inventor: Claire M. Marschak