Patents by Inventor David Edward Humphries

David Edward Humphries 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: D440992
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: April 24, 2001
    Assignee: D&K Laminex, Inc.
    Inventors: William E. Parson, Matthew Shannon, David Edward Humphries, Daniel Leland Bragg
  • Patent number: D442980
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: May 29, 2001
    Assignee: D&K Laminex, Inc.
    Inventors: Douglas George Johnson, David Edward Humphries, Daniel Leland Bragg, Michael Herda, Timothy Rothwell