Patents by Inventor Andrew Keith Willardson

Andrew Keith Willardson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11311786
    Abstract: A baseball swing training apparatus that is configured to teach a player an optimal combination of three independent swing path angles wherein the apparatus further provides training for the three swing path angles for balls in alternate locations within a batter strike zone. The present invention includes a base platform that has four wheel assemblies operable to provide omnidirectional movement of the base platform. Secured to the upper surface of the base platform is the lift assembly. The lift assembly includes three arm members that are independently movable with separate motor and gear assemblies. A ball retention member is secured to the lift assembly wherein a swing path angle adjustment assembly is operably intermediate the ball retention assembly and the lift assembly. The swing path angle adjustment assembly includes a first, second and third axis movement assemblies each being independently adjustable.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: April 26, 2022
    Inventors: David K Willardson, Andrew Keith Willardson