1923 – Walking Car – James William Bryan (American)

Indianapolis Star 12 Feb AUTOMOBILE WITH LEGS INSTEAD OF WHEELS INVENTED WASHINGTON. Feb. 11.- Invention of an automobile equipped with four legs instead of wheels is claimed by James William Bryan, a Washington man. who says he has forty patents, some of them basic, for such a machine. He has designed a five-passenger clutchless, gearless, …

1917 – Walking Tractor – (Unknown) (American)

Popular Mechanics October 1917 p520-1 In plowing and cultivating, a well-trained, intelligent train of horses means much to a farmer. Therefore it is not surprising that many agriculturists are slow in accepting the tractor, with its clumsy wheels and grinding motor, for such work. For these reluctant ruralists, however, a new kind of machine has …

1917 – Coleman’s Walking Dummy – Harry Coleman (British/American)

Patent number: 1221970 . See full patent details here. Filing date: Feb 20, 1917 Issue date: Apr 10, 1917 Fort Wayne News 01 May 1917 p6 THE WALKING DOLLS. Harry Coleman of New Palace to Make Them a Fad. Harry Coleman's convict clad walking doll is going to have a lot of sisters and brothers …

1962-5 – Hopkins Beast Autonomous Robot Mod II (with Vision) – JHU APL (American)

With Sonar using Zenith television remote control 40kHz audio transducers, and vision using the then new vidicon image tubes. Mod II is actually facing forward, to the front. the boom arm if effectively its right-arm and extends when searching for an AC outlet. The Zenith ultrasonic transducors can be seen both on top and withing the …