Patents by Inventor Douglas Edward Lehman

Douglas Edward Lehman 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: 9027302
    Abstract: A universal corner panel includes a first surface comprising a first portion and a second portion. The first portion has a first surface topography with a first delta and the second portion has a second surface topography with a second delta. The first delta is substantially different than the second delta.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: May 12, 2015
    Assignee: Boral Stone Products, LLC
    Inventors: Wayne Joseph Buoni, Douglas Edward Lehman, Douglas M. McCaskey
  • Publication number: 20140041331
    Abstract: A universal corner panel includes a first surface comprising a first portion and a second portion. The first portion has a first surface topography with a first delta and the second portion has a second surface topography with a second delta. The first delta is substantially different than the second delta.
    Type: Application
    Filed: August 8, 2012
    Publication date: February 13, 2014
    Applicant: Boral Stone Products LLC
    Inventors: Wayne Joseph Buoni, Douglas Edward Lehman, Douglas M. McCaskey
  • Patent number: RE47694
    Abstract: A universal corner panel includes a first surface comprising a first portion and a second portion. The first portion has a first surface topography with a first delta and the second portion has a second surface topography with a second delta. The first delta is substantially different than the second delta.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: November 5, 2019
    Assignee: Boral Stone Products LLC
    Inventors: Wayne Joseph Buoni, Douglas Edward Lehman, Douglas M. McCaskey