-
Invented by Hamilton Smith.
-
Invented by Alexander Parkes.
-
Invented by J.P. Knight.
-
Invented by Christopher Scholes.
-
Invented by Sylvester Roper.
-
Invented by Alexander Graham Bell.
-
Invented by Thomas Edison.
-
Invented by Edward Johnson.
-
Invented by Carl Elsene.
-
Invented by Milton Hershey.
-
Invented by Conrad Hubert.
-
Invented by Willis Haviland Carrier.
-
Invented by the Wright Brothers.
-
Invented by Gideon Sundback.
-
Invented by Charles Strite.
