Patents by Inventor Douglas Steinfeld

Douglas Steinfeld 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).

  • Publication number: 20030041183
    Abstract: In accordance with certain embodiments of the present invention, an apparatus can display a presentation to an audience while archiving the presentation for future use. This result can be achieved by using a multimedia hub having an optical platen with a first and a second surface, an internal imager positioned below the second surface of the optical platen to image indicia on the first surface of the optical platen, a converter for converting the image from the internal imager to a plurality of video formats, and a plurality of outputs ports connected to the converter, each output port providing a respective video format. The indicia can include any writing, whether printed on paper, transparency film, or printed directly on the first surface of the optical platen.
    Type: Application
    Filed: June 12, 2002
    Publication date: February 27, 2003
    Applicant: Viewwriter Technologies
    Inventors: Richard C. LaPierre, Douglas Steinfeld
  • Patent number: D483390
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: December 9, 2003
    Assignee: Viewwriter Technologies
    Inventors: Richard C. LaPierre, Douglas Steinfeld