Patents by Inventor Duncan Copeland

Duncan Copeland 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).

  • Flashlight
    Patent number: D380858
    Type: Grant
    Filed: October 16, 1995
    Date of Patent: July 8, 1997
    Assignee: Streamlight, Inc.
    Inventors: Raymond Sharrah, Duncan Copeland, Velissa VanScoyoc
  • Flashlight
    Patent number: D381812
    Type: Grant
    Filed: August 2, 1996
    Date of Patent: August 5, 1997
    Assignee: Streamlight, Inc.
    Inventors: Raymond Sharrah, Duncan Copeland, Vellisa VanScoyoc