1
Karl E Heinz: Data compression process. Gifford VanOphem Sheridan Sprinkle & Nabozny, January 1, 1985: US04491934 (37 worldwide citation)

The present invention provides a method for data compression and decompression of redundant serial data. The first and second elements of the serial data are combined to form a first pair group which is assigned a code designation and stored in a group list. Thereafter, the code designation of the p ...


2
Karl E Heinz: Encryption Method. Gifford Krass Sprinkle Anderson & Citkowski PC, December 6, 2007: US20070280474-A1

An encryption method for encrypting byte represented text. A code key is first constructed from code text data by forming pair groups of data from the key text data. Each pair group includes a sequential text data byte from the key text data or an index to a pair group in the code key if the pair gr ...