USA Gymnastics | Nissen, inventor of modern trampoline, dies April 7
George Nissen, Father of the Trampoline, Dies at 96 - The New York Times
Notes on Iowa auf Twitter: „On March, 6, 1945, Iowa gymnast and inventor George Nissen received a patent for the first modern trampoline. #IowaHistoryMonth https://t.co/x4fCVHMw7N“ / Twitter
George Nissen - Brentwood Trampoline ®
How the Trampoline Came to Be | Innovation| Smithsonian Magazine
Trampoline inventor, former Cedar Rapids businessman George Nissen dies at 96 | The Gazette
Duplay - ~Spread The Word~ We are the only company who can exclusively manufacturer Tri-ang, Duplay, Funtek and George Nissen trampoline spare parts. All Nets including the crossover model will be in
George Nisson, inventor of the trampoline, lives in San Diego's UTC | San Diego Reader
One Of The Most Famous Iowa Inventions Is The Trampoline
George Nissen and the Trampoline – Lichtenberger Engineering Library
George Nisson, inventor of the trampoline, lives in San Diego's UTC | San Diego Reader
The History of BOING! Engineering Article for Students | Scholastic SuperScience Magazine
How the Trampoline Came to Be | Innovation| Smithsonian Magazine
Who Made That Trampoline? - The New York Times
Who Invented the first Trampoline - George Nissen - YouTube
George Nissen Obituary - Death Notice and Service Information
George Nissen: Inventor of the trampoline | The Independent | The Independent
George Nissen obituary | Training programmes | The Guardian
The Olympic trampoline tradition: Remembering the man who taught the world to bounce | The World from PRX
The Weird, Forgotten, Awesome Sport of Spaceball - Atlas Obscura
George Nissen: Inventor of the trampoline | The Independent | The Independent
Time Machine: George Nissen, trampoline inventor | The Gazette
Homeowner's Guide To Trampolines | The Family Handyman
Trampoline History Facts - History of the Trampoline
11 Cool Things You May Not Have Known About Trampolines | GetTrampoline.com
George Nissen and the Trampoline – Lichtenberger Engineering Library
202 - Interesting Things: George Nissen and The Trampoline — JC
USA Gymnastics | Nissen, inventor of modern trampoline, dies April 7
History of Trampoline - Emirates Playgroundtrampoline
USA Gymnastics | George Nissen
