Alexander Miles patented the automatic opening and closing elevator.
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American inventor Theophilus Van Kannel was granted the patent for the revolving door.
Isaac Fischer Jr. patented sandpaper in Springfield, Vermont, US.
Samuel Colt patented the multi-shot revolving cylinder gun.
Ephraim Morris patented the car brake for railroads.
Inventor Moses F Gale patented the cigar lighter in the US.
