Patents by Inventor Dean Tonder

Dean Tonder 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).

  • Publication number: 20110193267
    Abstract: A permeable paver that has water permeability of on average about 1 inch per hour and compressive strength of an average of about 8000 psi, the paver manufactured by forming a mixture comprising blast-furnace slag, sand, gravel and portland cement into predetermined sizes, shapes and colors as desired utilizing a hydraulic-type or equivalent compacting block forming machine.
    Type: Application
    Filed: April 18, 2011
    Publication date: August 11, 2011
    Applicant: Pacific Interlock Pavingstone, Inc.
    Inventors: Dean Tonder, Glen Tonder, Tim Donovan, Per Jensen