Inventor Fred Waller patented the aquaplane, which would become water skis.
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A circus performer patented the modern trampoline.
Karl Benz patented the gasoline-operated motor car.
Inventor George Eastman patented camera shutters and trademarked the name 'Kodak.'
Jan Matzeliger gave a public demonstration about his shoe-producing invention in Lynn, Massachusetts.
A patent was granted to Robert Goddard for a liquid-filled rocket.
