0
Wiki User
∙ 14y agoBenjamin Franklin invented bifocal lens.
Add your answer:
Earn +20 pts
When did Benjamin Franklin get a patent for Bifocal Glasses?
on January 17th, 1706
What did Benjamin Franklin invent to help people see well?
bifocal glasses
Which us statesman signesd the declaration of independence and invented bifocal glasses?
America
What is one thing benjamin fraklin is famous for?
bifocal glasses being part of the Founding Fathers of America
5 things Benjamin Franklin made?
lightning rod, glass harmonica, Franklin stove, bifocal glasses, and flexible urinary catheter
Inventor of bifocol glasses?
The inventor of the bifocal glasses was Benjamin Franklin.
Where was the bifocal glasses born?
Benjamin Franklin in America is usually regarded as the inventor of the Bifocal glasses .
Was Benjamin Franklin an amerrican inventor?
Yes.Some of Ben Franklin's inventions was the lightning rod,bifocal glasses, and the iron furnace stove.
How do you use bifocal in a sentence?
My gran has some bifocal glasses.
Which word starts with bi and means having 2 eyepieces?
Bifocal
Inventor of bifocal glases?
Benjamin Franklin.
When was bifocal glasses created?
They were created in 1784.
Did thomas Jefferson invent the bifocal glasses?
no
What are some inventions in 1700-1730?
Ben Franklin was a very famous inventor through the 1700-1730's. He created bifocal glasses and fireplaces. He also made many more inventions. His inventions were most popular in the Middle Colonies, Pennsylvania. Bifocal glasses cost about 20 pounds and fireplaces were about 30-32. These were invented in about 1730.
When did benjamin franklin invent bifocal glasses?
1784
Where did Benjamin Franklin make his bifocal glasses?
in his bedroom
Who created the first bifocal eyeglasses?
Benjamin Franklin is credited with creating the first bifocal eyeglasses.
