Today, Percy Spencer's invention and research into ... Two years later, Raytheon launched the RadaRange as the first commercial microwave oven, which cost $5,000 at the time ($52,628 in 2015 ...

The first microwave oven was demonstrated by Westinghouse ... and Raytheon engineer Percy Spencer applied for patents. In the 1950s, Raytheon ovens were sold to restaurants for high-speed cooking.

Humankind will forever be indebted to the creator of the microwave. (If you're wondering, this was 20th-century American inventor Percy Spencer ... it claims is the first microwaveable insulated ...