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 Yagn's earlier patents below.
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Jul 1889 |
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Jan 1890 |
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Jan 1890 |