Patents by Inventor Karl D. Lerch

Karl D. Lerch 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: 4763679
    Abstract: A toy umbrella is disclosed comprising an elongated hollow handle member within which a hollow stem is mounted for rotation. A rod is slidably mounted within the handle member and stem, and gear means are provided coupling the handle member to the rod. Upon rotation of the stem, the rod is reciprocally moved between from an outer position in which the umbrella is closed to an inner position in which the umbrella is opened.
    Type: Grant
    Filed: July 8, 1987
    Date of Patent: August 16, 1988
    Assignee: The Quaker Oats Company
    Inventor: Karl D. Lerch
  • Patent number: D262467
    Type: Grant
    Filed: November 26, 1979
    Date of Patent: December 29, 1981
    Assignee: The Quaker Oats Company
    Inventor: Karl D. Lerch
  • Patent number: D262561
    Type: Grant
    Filed: January 4, 1980
    Date of Patent: January 5, 1982
    Assignee: The Quaker Oats Company
    Inventor: Karl D. Lerch
  • Patent number: D277494
    Type: Grant
    Filed: January 27, 1983
    Date of Patent: February 5, 1985
    Assignee: The Quaker Oats Company
    Inventor: Karl D. Lerch
  • Patent number: D279493
    Type: Grant
    Filed: January 21, 1983
    Date of Patent: July 2, 1985
    Assignee: The Quaker Oats Company
    Inventor: Karl D. Lerch
  • Patent number: D279806
    Type: Grant
    Filed: January 27, 1983
    Date of Patent: July 23, 1985
    Assignee: The Quaker Oats Company
    Inventors: Carl M. Stern, Karl D. Lerch
  • Patent number: D289308
    Type: Grant
    Filed: January 23, 1985
    Date of Patent: April 14, 1987
    Assignee: The Quaker Oats Company
    Inventor: Karl D. Lerch