Rutgers University
Thomas Edison Papers: Edison's Patents
This site offers an exhaustive list of 1,093 patents granted to Thomas Edison. There is also a graphic representing his annual output available. Hyperlinks to much more information. Included are the actual drawings of inventions...
PBS
Pbs American Experience: Edison's Miracle of Light
This site explores the various challenges Edison faced upon attempting to produce electric power. It contains a historical essay, a complete list of Edison's patents, information on the AC and DC currents, recordings produced by the...