Patents by Inventor John Robert Brown

John Robert Brown 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).

  • Modified gypsum compositions
    Patent number: 5639298
    Abstract: A set control composition and/or interground blend of materials including a calcium sulfate material and magnesium sulfate.
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: June 17, 1997
    Assignee: Air Products and Chemicals, Inc.
    Inventors: F. MacGregor Miller, Timothy Jay Roth, William Russell Welliver, John Robert Brown
  • Extendable flashlight
    Patent number: D437436
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: February 6, 2001
    Assignee: Eveready Battery Company, Inc.
    Inventor: John Robert Brown
  • Flashlight
    Patent number: D448878
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: October 2, 2001
    Assignee: Eveready Battery Company, Inc.
    Inventors: David Richard Dalton, John Robert Brown, Timothy James Rugendyke
  • Flashlight
    Patent number: D449395
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: October 16, 2001
    Assignee: Eveready Battery Company, Inc.
    Inventors: David Richard Dalton, John Robert Brown, Timothy James Rugendyke
  • Lighting unit
    Patent number: D469901
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: February 4, 2003
    Assignee: Eveready Battery Company, Inc.
    Inventors: David Richard Dalton, John Robert Brown, Angelo Kotsis
  • Bicycle light
    Patent number: D394514
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: May 19, 1998
    Assignee: Eveready Battery Company, Inc.
    Inventors: David Richard Dalton, John Robert Brown
  • Transaction terminal and receipt printer
    Patent number: D431590
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: October 3, 2000
    Assignee: Hewlett-Packard Company
    Inventors: John Robert Brown, Gregory Michael Martens