The list of his inventions included: bifocals; the medical catheter ... Of the "Founding Fathers," Benjamin Franklin alone signed the three pivotal documents associated with the nation's birth ...

In part because Benjamin Franklin had such a multifarious ... well-known practical inventions—the lightning rod, bifocals, the so-called Franklin stove—were not merely the products of a ...

Benjamin Franklin was a true Renaissance man ... invent the lightning rod, bifocals, and swim fins; make a number of crucial scientific discoveries; and help draft the Declaration of Independence ...

The list of his inventions included: bifocals; the medical catheter ... Of the "Founding Fathers," Benjamin Franklin alone signed the three pivotal documents associated with the nation's birth ...