Photocopier - Gispert
Folding machine - Pitney Bowes
Typewriter - Drawing table - Amersfoort
Calculator - Calculating machine - Addo
Post-it - 3M - Sticky notes - Sponsor 1988 Olympics
Scryption - Writing
Calculator - DAP
Typewrtter - Calculating machine - Olympia
IBM
Counting - Calculating machines - Contex
