Patents by Inventor Joel Roark

Joel Roark 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: 6097308
    Abstract: An adapter device for downloading stored data from a pager device to a digital computer. A pager device with holster includes an interface circuit board with transmission circuitry, either wired or wireless, for downloading logic level signal, data stored in the pager to a host digital computer for input via the RS-232C interconnect.
    Type: Grant
    Filed: December 4, 1996
    Date of Patent: August 1, 2000
    Assignee: Data Critical Corp.
    Inventors: David E. Albert, Colin J. Cumming, Joel Roark