1
Peter J Sprague, Thomas H Lipscomb: Information distribution system. September 21, 1993: US05247575 (864 worldwide citation)

An information distribution system provides information to a user, when the information corresponds to criteria individually selected by the user, and then charges the user only for the selected information thus provided. Encrypted information packages (IP's) are provided at the user site, via high ...


2
Robert Nagel, Thomas H Lipscomb: Method and apparatus for retrieving secure information from mass storage media. Infosafe Systems, Karl F Milde Jr, February 28, 1995: US05394469 (242 worldwide citation)

A personal computer or "host computer" and a Mass storage device are arranged on an SCSI bus. A "decryption controller", in a separate enclosure outside of the host computer, is also arranged on the SCSI bus. This controller is addressable by the host computer as if it were the mass storage device. ...


3
Thomas H Lipscomb, Robert H Nagel: Method for retrieving secure information from a database. Infosafe Systems, Karl F Milde Jr, December 5, 1995: US05473687 (156 worldwide citation)

A system for retrieving a packet of informational digital data which is stored on a secure storage medium. The informational data packet (IDP) is read from the secure storage medium and then expanded in length to form a sequence of digital data which is so large as to be inconvenient for permanent s ...


4
Robert Nagel, Thomas H Lipscomb: Method and apparatus for retrieving selected information from a secure information source. Infosafe Systems, Furgang & Milde L, January 7, 1997: US05592549 (134 worldwide citation)

A device is disclosed for retrieving information from a secure electronic information source, wherein at least some of the information is in encrypted form and may be decrypted for use. The device comprises:


5
Robert Nagel, Thomas H Lipscomb: Apparatus and storage medium for decrypting information. Infosafe Systems, Furgang & Milde L, August 26, 1997: US05661799 (25 worldwide citation)

A system including a storage medium containing encrypted information comprises: (a) a control unit for selecting information to be retrieved from the storage medium; (b) a storage medium reader for reading the selected information from the storage medium; and (c) a decryption device for decrypting a ...