khloes puzzle

2. American inventor best known for her patented improvements to the ironing board.
3. a folding cabinet bed to fit in small homes.
5. and patented an automatic oiling device for the moving parts of steam locomotives, colloquially known as the “oil-drip cup.”
6. famous for patenting the first traffic signal in the United States.
7. a inventor and patent draftsman. His inventions included an evaporative air conditioner, an improved process for manufacturing carbon filaments for light bulbs, and an improved toilet system for railroad cars.
8. a successful Black inventor in the late 19th century, best known for inventing elevator doors that could automatically open and close.

1. of the potato chip.
3. were a street letter box (U.S. Patent numbers 462,092 and 462,093) and a mechanical device for operating street railway switches (U.S. Patent number 430,118).
4. and invented a new device and technique for cataract surgery known as laserphaco.
7. an inventor who held more than 50 patents in the U.S. He was the first African American mechanical and electrical engineer after the Civil War. Self-taught, he concentrated most of his work on trains and streetcars.