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an American blacksmith born in 1780 in Chesterfield Township, New Jersey. On June 26, 1797, Newbold received the first patent for a cast-iron plow. However, he was unable to sell his plow because many farmers feared that the iron in it would poison the soil. On 1 April 1807, inventor David Peacock was issued a patent for a three-piece iron plow (Newbold's plow was cast in one piece). Newbold then sued Peacock for patent infringement and won $1500.
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06/26/1797-Charles Newbold patents first cast-iron plow. Sales are poor, as farmers believe it will poison their soil
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David Peacock
...granted a patent on 1 April 1807 for an iron plow. Charles Newbold, a previous plow inventor, sued for patent infringement...
 Contemporaries
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Charles Newbold17801790
 
1809unknown

John Fitch1743, Jan 211780
 
17991798, Jul 2
 an American inventor, clockmaker, entrepreneur and engineer. He was most famous for operating the...
Thomas Paine [2]1736, Jan 291761
 
18041809, Jun 8
 an English-American political activist, philosopher, political theorist and revolutionary. One of...
Jean-Pierre Blanchard1753, Jul 41784
 
18081809, Mar 7
 a French inventor, best known as a pioneer in balloon flight. Blanchard toured Europe, demonstrat...
David Peacockunknown1800
 
1809unknown
 from New Jersey, was granted a patent on 1 April 1807 for an iron plow. Charles Newbold, a previo...
Pellegrino Turriunknown1800
 
1809unknown
 an Italian inventor, invented a mechanical typing machine, one of the first typewriters at the st...
Philip Astley1742, Jan 81759
 
18141814, Jan 27
 an English equestrian, circus owner, and inventor, regarded as being the "father of the modern ci...
Robert Fulton1765, Nov 141793
 
18151815, Feb 24
 an American engineer and inventor who is widely credited with developing a commercially successfu...
Samuel Hopkins1743, Dec 91759
 
18191818
 an American inventor from Philadelphia, Pennsylvania. On July 31, 1790, he was granted the first ...
James S. McLeanunknown1790
 
1819unknown
 James Sylvanus McLean, a native of York, Pennsylvania, received a patent for an improvement in pi...
Eli Whitney1765, Dec 81793
 
18251825, Jan 8
 an American inventor best known for inventing the cotton gin. This was one of the key inventions ...
Rene Laennec1781, Feb 171804
 
18261826, Aug 13
 a French physician. He invented the stethoscope in 1816, while working at the Hôpital Necker, an...
Sir Humphry Davy1778, Dec 171795
 
18291829, May 29
 a Cornish chemist and inventor, who is best remembered today for his discoveries of several alkal...
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