Patents by Inventor Richard Ratkiewich

Richard Ratkiewich 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).

  • Toy vehicle
    Patent number: D251264
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: March 6, 1979
    Assignee: Louis Marx & Co., Inc.
    Inventors: Calvin S. Cook, James Smith, John A. Vernon, Jr., Richard Ratkiewich
  • Toy vehicle
    Patent number: D253832
    Type: Grant
    Filed: August 31, 1977
    Date of Patent: January 1, 1980
    Assignee: Louis Marx & Co., Inc.
    Inventors: Calvin S. Cook, James Smith, John A. Vernon, Jr., Richard Ratkiewich