Patents by Inventor David Hersh

David Hersh 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: 4363893
    Abstract: A composition useful as a shoe polish comprises an acrylic resin, a plasticizer, deionized water, and preferably a trace amount of an alcoholic cosolvent. In its preferred form, the composition does not require wax, and may be applied directly on articles having a wax coating.
    Type: Grant
    Filed: July 27, 1981
    Date of Patent: December 14, 1982
    Inventor: David Hersh
  • Patent number: D937295
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: November 30, 2021
    Assignee: Apple Inc.
    Inventors: Richard Dellinger, Jonathan David Hersh, Kevin Richard Jorgensen, Michael Lee Knippers