1981 – The Walking Gyro – John W. Jameson (American)

The Walking Gyro was conceived and built by John Jameson in 1981.  Article Source: Robotics Age, January 1985. THE WALKING GYRO John W Jameson 275 E. O'Keefe #7  Palo Alto, CA 94303 Walking machines generally fall into one of two categories: statically balanced or dynamically balanced. A statically balanced machine maintains stability at every position …

1950 – Toy Unicycle Pedaling Clown – Wilfredo Perez (American)

A gyroscopic toy, that imparts a walking motion via a reciprocating crank, driven via a worm off the flywheel shaft. The bottom part is interchangeable so that the pedaling unicycle can be replaced by walking stilts, or a leg arrangement for tight-rope walking. Patent number: 2588040 – see full patent details here. Filing date: Apr …