- It took engineers 22 years to design the zipper.
- The first modern dishwashing machine was invented by wealthy American socialite Josephine Cochrane in 1886. She invented it so her servants would stop chipping her china.
- The world’s first mono-motorcycle, called the Uno, was invented by a Canadian teenager named Ben Gulak.
- The parachute was invented before the airplane.
- During one seven-year period, Thomas Edison obtained approximately 300 patents. In his whole life, he obtained more than 1,000 patents.
- Inventor Thomas Adams started the world’s first chewing-gum factory in 1845.
- Chapman and Skinner in San Francisco invented the first portable electric vacuum in 1905.