1800s Inventions of the 19th Century Timeline About: Inventors http://inventors.about.com/od/timelines/a/Nineteenth.htm 19th Century Timeline http://inventors.about.com/od/timelines/a/Nineteenth.htm Inventions of the 19th Century Timeline Inventions of the 19th Century Timeline 19th Century Timeline Source Inventors http://inventors.about.com/od/timelines/a/Nineteenth.htm 1800s 19th century 19th Century Inventions 1851 - 1899 1899: IR Johnson Patents Bicycle Frame 19th Century timeline (1800s) http://inventors.about.com/od/timelines/a/Nineteenth.htm http://inventors.about.com/od/timeli...Nineteenth.htm Inventions of the 19th Century Timeline Major American inventions of this period 1800-1846 Major American inventions of this period 1800-1846 inventors.about.com