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 Yagn's earlier patents below.

406328

Jul 1889

420178

Jan 1890

420179

Jan 1890