Inventor Daniel Cooper patented the first time clock in the US.
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Walter Hunt patented the safety pin.
Inventor Robert Fulton tested his 66-foot long boat on River Seine in Paris, France.
Noah Cushing patented the washing machine in Quebec, Canada.
George Hancock, who invented softball, played the first match in Chicago.
John Burr patented a better rotary blade lawn mower, designed with traction wheels and a rotary blade that would not easily get stuck with grass clipping.
