Patents by Inventor Bruce Sandig

Bruce Sandig 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).

  • Electronic telephone directory with interchangeable listings
    Patent number: 5748906
    Abstract: A hand-held electronic telephone directory incorporating microprocessor control and read only memory for storage of directory information. The name of a particular party listed in the directory is typed into a keyboard. The name, address and telephone number then appears on the LCD display. The read-only memory is plugable in the device so that the listing of the desired calling area may be selectively installed.
    Type: Grant
    Filed: April 18, 1994
    Date of Patent: May 5, 1998
    Assignee: Infopak, Inc.
    Inventor: Bruce Sandig