William Otis
William Otis was an inventor who invented the steam shovel.Otis received a patent for the steam shovel on February 24, 1839.
|
|
|
William OtisWilliam Otis was an inventor who invented the steam shovel.Otis received a patent for the steam shovel on February 24, 1839. |
|
| Copyright 2004. All rights reserved. | |