Swimmers' Paddlewheel

Joined: 21 years ago
Posts: 534
Topic starter  

I thought the engineers might enjoy this one. It's the patent on a human swimming device that uses a paddlewheel for propulsion.

Patent US4437840

Will take you to it, but here's a picture (click on it to make it bigger):5072.jpg



   
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Shipyard Sam
Joined: 21 years ago
Posts: 1188
 

Most Famous Steamboat Patent

Patent US0006469



   
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