The Bureau of Labor Statistics reports that occupational therapists made $74,970 a year on average in May 2011. The top 10 percent of workers in the field made over $104,350 and the bottom 10 percent earned less than $49,980. Half of workers in the occupation made between $61,520 and $88,790 a year.
These patents covered a carbon rod in a nitrogen filled glass cylinder, and differed substantially from the first commercially practical bulb invented by Edison. Edison's major innovation was the first industrial research lab, which was built in Menlo Park, New Jersey. It was built with the funds from the sale of Edison's quadruplex telegraph.
Thomas Alva Edison (February 11, 1847 â October 18, 1931) was an American inventor and businessman. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and the long-lasting, practical electric light bulb.ore significant than the number of Edison's patents was the widespread impact of his inventions: electric light and power utilities, sound recording, and motion pictures all established major new industries world-wide.