Patents by Inventor Emma Lou Sederholm

Emma Lou Sederholm 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).

  • Digital microfiche and apparatus for accurately positioning the microfiche
    Patent number: 4213040
    Abstract: Microfiche cards bear digital information. The digital information includes information to be read and/or information for controlling a microfiche card transport and/or scanner in order to accurately position the microfiche card for information retrieval. Static alignment techniques are also disclosed for aligning the information content of a microfiche card with respect to the transport.
    Type: Grant
    Filed: July 7, 1978
    Date of Patent: July 15, 1980
    Assignee: News Log International, Incorporated
    Inventors: Phillip E. Gokey, Donovan W. Hurlbut, Emma Lou Sederholm, Angel F. Terry