'His 1922 New York Times obituary mentions that his patent No. 174,465 "has been called the most valuable patent ever issued"'
Alexander Graham Bell
FOREIGN-BORN INVENTORS: His 1922 New York Times obituary mentions that his patent No. 174,465 has been called the most valuable patent ever issued
His 1922 New York Times obituary mentions that his patent No. 174,465 "has been called the most valuable patent ever issued"
His 1922 New York Times obituary mentions that his patent No. 174,465 "has been called the most valuable patent ever issued"
FOREIGN-BORN INVENTORS
Alexander Graham Bell
FOREIGN-BORN INVENTORS