Patents by Inventor Walter W. Wiebe

Walter W. Wiebe 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).

  • Electrocardiograph
    Patent number: D260173
    Type: Grant
    Filed: October 13, 1978
    Date of Patent: August 11, 1981
    Assignee: International Business Machines Corporation
    Inventor: Walter W. Wiebe
  • Electrocardiograph
    Patent number: D270278
    Type: Grant
    Filed: June 1, 1981
    Date of Patent: August 23, 1983
    Assignee: International Business Machines Corporation
    Inventor: Walter W. Wiebe
  • Electrocardiograph
    Patent number: D270663
    Type: Grant
    Filed: March 10, 1981
    Date of Patent: September 20, 1983
    Assignee: International Business Machines Corporation
    Inventor: Walter W. Wiebe