None.
When Franklin invented his various items there was no patent office, so he didn't have any.
Benjamin Franklin has 3 children
Benjamin Franklin has 3 children
Benjamin Franklin is given the credit of inventing bifocal eyeglasses. Franklin never applied for any patents for his many inventions. His attitude was that humanity need not have to pay a price for new inventions that helped people.
The contributions of Benjamin Franklin were countless. He was a diplomat for the US and an inventor.He pioneered crop insurance and bifocal eyeglasses. He was so generous he never applied for patents.
Benjamin Franklin's surname is Franklin.
Benjamin Franklin and John Adams
542,891
120
3
Benjamin Franklin had many tensions, or struggles. From his role in America's founding and Constitution to his presidency and time as a politician and inventor, Benjamin Franklin faced many stressors.
Franklin! That's why they called him Benjamin Franklin.