Patents by Inventor Ronald Frederick SCHUMANN

Ronald Frederick SCHUMANN 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: 11259597
    Abstract: A shoe sole (100) comprising a bottom surface, the bottom surface having a front array (110) of ground engaging formations having a first height or depth, and a rear array (120) of ground engaging formations having a second height or depth, the rear array of ground engaging formations generally located at a heel portion of the sole, wherein the first height or depth is greater than the second height or depth.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: March 1, 2022
    Inventor: Ronald Frederick Schumann
  • Publication number: 20180249785
    Abstract: A shoe sole (100) comprising a bottom surface, the bottom surface having a front array (110) of ground engaging formations having a first height or depth, and a rear array (120) of ground engaging formations having a second height or depth, the rear array of ground engaging formations generally located at a heel portion of the sole, wherein the first height or depth is greater than the second height or depth.
    Type: Application
    Filed: August 31, 2016
    Publication date: September 6, 2018
    Inventor: Ronald Frederick SCHUMANN