But more importantly the Dolbear patent prevented the Marconi Company from operating in the United States. In the end Marconi had to purchase Dolbear's patent, even though it was A. generally inferior and B. intractable in application. [Ouch that must have hurt. ]
In 1868 Dolbear (while a professor at Bethany College) invented the electrostatic telephone. Dolbear also work on converting sound waves into electrical impulses. He also invented the opeidoscope, and a system of incandescent lighting. He authored several books, articles, and pamphlets, including "Matter, Ether, Motion," and was recognized for his contributions to science at both the Paris Exposition in 1881 and the Crystal Palace Exposition in 1882.