On August 28, 1980, Microsoft signed an agreement with IBM to develop software for the PC. Gates was aware of an operating system called QDOS, which had been developed by a fellow Seattle resident named Tim Paterson. Microsoft bought QDOS for $50,000.
Niels Christensen invented the modern o-ring O Rings was invented in 1937 An O–ring, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a round cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface.
Bette Nesmith Graham Invented White Out White Out was invented in 1956 white correction fluid for covering typing or writing mistakes.
Jan Koum Invented Whatsapp WhatsApp was founded in 2009 WhatsApp Messenger is a freeware and cross-platform messaging and Voice over IP service owned by Facebook
Norm Larsen Invented Wd40 Wd40 was Invented in 1958 WD-40 is the trademark name of a penetrating oil and water-displacing spray. The spray is manufactured by the WD-40 Company based in San Diego, California.
Peter Henlein Invented Watch Watch was invented in 1770 A watch is a timepiece intended to be carried or worn by a person. It is designed to keep working despite the motions caused by the person’s activities
Alva J. Fisher Invented Washing Machine Washing Machine was invented in 1908 A washing machine is a device used to wash laundry. The term is mostly applied to machines that use water as opposed to dry cleaning or ultrasonic cleaners. Laundry detergent is added to the wash water, and is sold in either powdered or liquid form.