It was for a dredging device for canals.
fultons folly
clermont
Robert Fulton invented the first practical steamboat
Fultons steamboat was a ship with a flat bottom, square stern and a special English steam engine.
cognetoo
bob
his first job was employment was as a technical assistant at the Swiss patent office.
Thomas Edison received his first patent, U.S. Patent 90,646, on June 1, 1869. This patent was for the electric vote recorder.
Alfred Nobel had the first patent on dynamite. He invented it.
He built the first practical steamboat, which was much faster than wind-powered sailing ships.
Samuel Winslow was awarded the first patent in 1641.
A blocking patent is a patent relating to a particular area of technology which prevents another patent from being used because the other patent relies on technology covered by the first.