Patents by Inventor Frederick F. Hantline

Frederick F. Hantline 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: 5002491
    Abstract: An interactive electronic classroom system for enabling teachers to teach students concepts and to receive immediate feedback regarding how well the students have learned the concepts. Structure is provided for enabling students to proceed in lockstep or at their own pace through exercises and quizzes, responding electronically to questions asked, the teacher being able to receive the responses, and to interpret a readout, in histogram or other graphic display form, of student responses. In a preferred embodiment, a central computer using an IBM AT (tm) compatible system is employed, together with a plurality of student computers which range from simple devices to full fledged personal computers. Optical peripheral hardware, such as VCRs or other recording/reproducing devices, may be used to provide lessons to students in association with the computer network.
    Type: Grant
    Filed: April 28, 1989
    Date of Patent: March 26, 1991
    Assignee: COMTEK
    Inventors: A. Louis Abrahamson, Frederick F. Hantline, Milton G. Fabert, Michael J. Robson, Robert J. Knapp