USA Gymnastics | Nissen, inventor of modern trampoline, dies April 7
Who Made That Trampoline? - The New York Times
Mr. George Nissen (l'inventeur du trampoline) // Central Park, 1950 | Photo, Vintage life, Old photos
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
202 - Interesting Things: George Nissen and The Trampoline — JC
Peak trampoline: why the great British bounce trend is a serious hazard | UK weather | The Guardian
George Nissen: Inventor of the trampoline | The Independent | The Independent
George Nissen obituary | Training programmes | The Guardian
George Nissen dies at 96; inventor of the modern trampoline - Los Angeles Times
How the Trampoline Came to Be | Innovation| Smithsonian Magazine
Bounce — SOULKITCHEN
George Nisson, inventor of the trampoline, lives in San Diego's UTC | San Diego Reader
George Nissen and the Trampoline – Lichtenberger Engineering Library
History of Trampoline - Emirates Playgroundtrampoline
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
USA Gymnastics | George Nissen
USA Gymnastics | Nissen, inventor of modern trampoline, dies April 7
Trampoline inventor, former Cedar Rapids businessman George Nissen dies at 96 | The Gazette
George Nissen, Father of the Trampoline, Dies at 96 - The New York Times
The Weird, Forgotten, Awesome Sport of Spaceball - Atlas Obscura
Homeowner's Guide To Trampolines | The Family Handyman
George Nissen Obituary - Death Notice and Service Information
One Of The Most Famous Iowa Inventions Is The Trampoline
