In 1813, rubber is patented.
J. F. Hammel received the first U.S. patent related to rubber for an India rubber varnish which made shoes waterproof.
Read more about the history of rubber at http://www.rubber.org/100th-anniversary2
J. F. Hammel received the first U.S. patent related to rubber for an India rubber varnish which made shoes waterproof.
Read more about the history of rubber at http://www.rubber.org/100th-anniversary2