When were checks invented?

Answer The history of checks stretches back to the Ancient Romans, but the first printed checks appeared in 1762, courtesy of British banker Lawrence Childs. He issued them with serial numbers to keep tra... Read More »

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When were cell phones invented&who were they made by?

Martin Cooper invented the cell phone in 1973, and Motorola was its maker. The phone was much bigger and heavier than today's models. Called the DynaTAC, the phone did not go one sale until 10 year... Read More »

When were bandaids invented?

The Band-Aid was invented in 1920 by Earle Dickson, an employee of Johnson & Johnson.

When were snowblowers invented?

The snowblower was invented by Arther Sicard, a Canadian inventor, in 1925. He originally used a 4-wheel drive truck chassis and added a snow scooper and chute. The first chute blew snow 90 feet. T... Read More »

When were intercoms invented?

In the 1850s French inventor/magician Jean Eugene Robert-Houdin developed the first intercom-like device for use in his home. In 1894 the first patent for an office intercom system, the Kellogg Int... Read More »