Inventor Harvey Hubbell patented the popular light bulb with a pull chain.
Source
A patent was granted to Robert Goddard for a liquid-filled rocket.
Englishman John Walker invented modern-day wooden matches that create a flame through friction.
J. L. Love patented his pencil sharpener in the US.
Samuel Briggs and his son patented his nail-making machine.
Robert Watson-Watt demonstrated radar in Slough, England, UK.
