What invention is this a patent for: US Design Patent #D645?
Question
#94284. Asked by --simone--. (Apr 03 08 6:38 PM)
zbeckabee
Hairbrush -- The earliest US patent for a modern hairbrush was by Hugh Rock in 1854 (US Design Patent #D645). A brush with elastic wire teeth along with natural bristles was patented by Samuel Firey in 1870 as U.S. Patent 106,680.
Fourth installment of this quiz and still going strong.....ish. Up to 'D' now in which I will give you a scenario involving a D word and you pick the most suitable answer. As easy as writing out pi to infinity. Enjoy!
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