Inventor Frederick E. Blaisdell patented the pencil in the US.
He called it “sheathing with paper sheaths.”
Source
A patent for his electric lamp invention was given to Thomas Edison.
Inventor Elias Howe was awarded the patent for the lockstitch sewing machine.
Inventor Richard Rhodes received the patent for a hearing aid.
Henry W. Seely patented the electric iron in the US.
The plastic shirt collar was patented in the US by Walter Hunt.
