Addressing machine
Post-it - 3M - Sticky notes - Sponsor 1988 Olympics
Calculator - Calculating Machine Company - Monroe
Scryption - Writing
Calculator - DAP
Typewrtter - Calculating machine - Olympia
Binder - Compass - Paperclip - Pencil - Pen
IBM
Counting - Calculating machines - Contex
Pair of compasses - Triangle - Book
