Birthdays
Nobel Prize Winners
1877 - Heinrich Otto Wieland - Chemistry
1916 - Robert F. Furchgott - Medicine
Patents
1872 - Patent for petroleum jelly was granted to Robert Augustus Cheesebrough (Number 127,568)
1963 Patent #3,091,888 was granted to six-year-old Robert Patch for a toy truck.
Knowledge History of the Day - Index for the Year
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