The first modern trampoline was built by George ... and Nissen created the
Griswold-Nissen Trampoline ...
May 4, 2010 ... Later, American and Soviet astronauts used the trampoline in their training. The
first Trampoline World Championships were held at the Royal ...
Sep 30, 2012 ... Nissen invented the trampoline in the 1930s, when, as a teenage ... The hardest
trick is a triple back flip with a half-twist in the first flip and a ...
Apr 9, 2010 ... In the 1930s, he and Larry Griswold, his coach at Iowa, built the first trampoline in
a garage. In 1941, the Griswold-Nissen Trampoline ...
The inventor of the trampoline is George Nissen of Iowa (1914-2010), who ... In
1934, he developed his first practical model using strips of inner-tube rubber.
www.ask.com/youtube?q=Invented the First Trampoline&v=XhwKtls7vT4
Nov 30, 2015 ... Trampoline is a fun invention, which serves both as a fun attraction for children
and teenagers but also a device for a competitive Olympic sport.
Man-made. The first modern trampoline was built by George Nissen and Larry
Griswold around 1934 at the University of Iowa. It was initially used to train ...
Apr 14, 2010 ... George Nissen, 96, gymnast who invented trampoline ... After making the first
prototype trampoline, Mr. Nissen and Griswold, his college coach, ...
Apr 30, 2010 ... He registered more than 40 patents, but his name is synonymous with his first
invention, the trampoline. His life-changing idea was formulated ...
The idea of throwing people in the air has been around long before modern
trampolines were invented. People from the Arctic regions, the Inuits, invented