A digital mapping system
A digital publication system and apparatus
A digital signal processor reducing access contention
A directory system
A discernment card and a discernment card business system...
A display apparatus
A display device of braille points
A distributed operating system
A distributed parallel processing network wherein the...
A distributed purchasing system
A distributed software fabrication system and process for...
A document categorisation system
A document composition system and method
A document delivery system and method there of
A domain independent system and method of automating data...
A door apparatus for a portable computer
A downloadable object method
A duplicated naming service in a distributed processing system
A duplicating switch for streaming data units to a terminal
A dynamic dictionary and term repository system