Patents by Inventor Rolf Pielemeier

Rolf Pielemeier 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).

  • Combined data entry terminal and card reader
    Patent number: D302550
    Type: Grant
    Filed: August 11, 1986
    Date of Patent: August 1, 1989
    Assignee: Tech-S, Inc.
    Inventors: Thomas W. Bear, James L. Jessup, Rolf Pielemeier, William J. Pielemeier