1890 – Assisted-walking Device – Nicholas Yagn (Russian)
Nicholas Yagn, of St.Petersburg, Russia, designed a set of walking, jumping, and running assisted apparatus from 1889-1890. An earlier version used a giant bow spring. The final version used compressed gas bags to store the energy. An example of a passive and human-powered exoskeleton . Patent number: 440684 Filing date: Feb 11, 1890 Issue date: Nov 1890 See …
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