I believe you are asking what did Alexander Graham Bell invent. Bell made several inventions but the one he is most famous for is the telephone (hence Bell telephone company).
Bell also invented many other devices. Some of them include
the telegraph
a metal jacket to assist in breathing
the phonograph
the audiometer to detect minor hearing problems
and a device to locate icebergs.
He invented the telephone.
Alexander graham bell
if you mean the inventor it was Alexander Graham bell
Alexander graham bell was not handicapped
Alexander Graham Bell worked with Thomas Watson on the telephone. The telephone was Alexander Graham Bell's idea.
Alexander graham bell , invited the telephone in 1875
is the name of alexander graham bell's girlfriend
Alexander Graham Bell invented the telephone.
Alexander Graham Bell was with his wife when he died.
Alexander Graham Bell was born March 3rd,1847.
Alexander Graham Bell's parents were Alexander Melville Bell and Eliza Grace Symonds. They were both born in Edinburgh, Scotland, as was Alexander Graham Bell himself.
Alexander Graham Bell
Alexander Graham Bell's relatives are Juanita and John Bell.