Inventor Frederick E. Blaisdell patented the pencil in the US.
He called it “sheathing with paper sheaths.”
Source
William Painter secured a patent for the capped bottle opener.
Isaac Singer was granted his patent for a commercial sewing machine.
Samuel Colt patented the multi-shot revolving cylinder gun.
Inventor Percy L. Spencer patented the Microwave Oven.
Jan Matzeliger gave a public demonstration about his shoe-producing invention in Lynn, Massachusetts.
