They were invented by Benjamin Franklin. if he was the patentee they would have been among the first inventions duly filed with the patent office in early American times. I do not know when the Patent Office was established, probably in Philly, which was then the de facto capital.
The saxophone was invented by Adolphe Sax and he patented it in 1846.
No cheerleading is not patented, it is not able to be patented as it is not an object or product. However cheerleading related clothing items, designs, and toys can be patented
No one has patented the internet
No, braille was never patented.
Doritos were patented in 1966.
Atom patented the first chainsaw. They were also the ones who manufactured the first patented chainsaw. It was patented in 1972.
The television was patented in 1922 by Edwin Belin
It has never and can never be patented.
It was patented in 1883
Yes. This is a patented, trademarked product.
The DVD was patented I believe in March, 1997
Radio Patented - June 2, 1896