The sweeping machine (vacuum cleaner) was patented in Chicago, US, by Ives W. McGaffey.
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The first recorded potato chip was created by chef George Crum in Saratoga Springs, New York.
Inventor Richard Rhodes received the patent for a hearing aid.
American inventor Eli Whitney was granted a patent for a ground-breaking new type of cotton gin.
Samuel Morse was granted the patents for his telegraph.
Inventor George Eastman patented camera shutters and trademarked the name 'Kodak.'
