First Airplane.
Important because faster than a ship and cars couldnt cross the ocean. It also took alot less time getting to other places that were across the world or even just a few states away.
Phonograph, light bulb.
Important because without it we would constantly be stuck in the dark inside rooms or buildings and at night. Candles gave very small portions of light.
Telephone.
Important because this was a newer, easier, and alot faster way to communicate with others from all over the world. This is also still a huge and great invention that is still being used.
Improves and markets howes sewing machine.
Important because obviously the other sewing machine needed some work to help it do more things and work faster.
Regular steam boat service on the Hudson river.
Important because I'm sure people in that time needed way to get to places so he made it a regular thing.