Patents by Inventor Steven David Cherney

Steven David Cherney 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: 4035257
    Abstract: A granular calcium carbonate-containing mixture is formed wherein the calcium carbonate particles have a high effective surface area and a low degree of agglomeration.
    Type: Grant
    Filed: September 27, 1974
    Date of Patent: July 12, 1977
    Assignee: The Procter & Gamble Company
    Inventor: Steven David Cherney