The first recorded potato chip was created by chef George Crum in Saratoga Springs, New York.
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William B. Purvis patented the electric switch on railways that would shut off the electric supply after carriages pass the contact device.
The sweeping machine (vacuum cleaner) was patented in Chicago, US, by Ives W. McGaffey.
John B. Meyenberg from St. Louis, Missouri, patented powdered milk.
The first idea of a fire escape was patented.
Inventor Fred Waller patented the aquaplane, which would become water skis.
