Patents by Inventor David M. Steinbauer

David M. Steinbauer 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).

  • Encoding mechanism for holed badge readers
    Patent number: 4130756
    Abstract: A reader for badges having rows of data representative holes therethrough, the reader including a row of data reading photo-sensitive devices or the like for sensing light passing through a row of the badge holes, a stationary encoder bar having two rows of holes therethrough and a carriage movable with the badge as it is moved across the row of data reading devices for reading the holes in the badge and carrying a pair of control photo-sensitive devices for sensing light passing through the holes of the encoder bar.
    Type: Grant
    Filed: October 27, 1976
    Date of Patent: December 19, 1978
    Assignee: International Business Machines Corporation
    Inventors: Richard L. Arndt, Wilfred L. Meyerhofer, Jr., David M. Steinbauer