Patents by Inventor Hubert P. Putnam

Hubert P. Putnam 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).

  • Methods and apparatus for processing data including a characteristic mark or error
    Patent number: 4115869
    Abstract: Data including a recurring characteristic mark or error is stored at storage locations. A directory of specific locations of stored data including the characteristic mark or error is established. The processing of the stored data is controlled or the recurring error is eliminated with the aid of the established directory.
    Type: Grant
    Filed: October 12, 1976
    Date of Patent: September 19, 1978
    Assignee: Bell & Howell Company
    Inventors: Hubert P. Putnam, William O. Butts