1990 – Bipedal Ornithopter – David Santos (American)

Bipedal Ornithopter in flight. Parts. Source: http://web.archive.org/web/19961114042310/http://robotgroup.org/projects/Roboblimp.html Bipedal Onithopter UAV By David Santos It runs on two legs, flaps wings to take flight, and flys nimbly about the nooks and crannies of urban landscapes. Featured on the Discovery Channel's, Invention Series, ABC's Good Morning America, and Newsweek magazine. The blimp is a 12-foot-long airship with running legs …

1993 – Human-Powered Walking Machine – CSERNY Márton (Hungarian)

CSERNY Márton Márton is from Budapest, Hungary.  His human-powered walking machine is novel in that the front legs do not pull the cart, but are pushed by the pedals, chain and sprocket.  The pedaling action also rocks the 'hip', which raises and swings each free-swinging leg in turn.  Video Akció a "Lépegeto gép"-pel / action …