Patents by Inventor John Ledingham

John Ledingham 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).

  • Compartmentalized Hand Warmer
    Publication number: 20190014834
    Abstract: A compartmentalized hand warmer including one or more of a first flexible panel joined in face contacting relation to a second flexible panel and configured to have a compartment adapted to receive a warming element, a first annular element coupled to the first flexible panel, and a second annular element coupled to the first flexible panel in opposed relation to the first annular element.
    Type: Application
    Filed: September 19, 2018
    Publication date: January 17, 2019
    Inventor: John Ledingham
  • Compartmentalized hand warmer
    Patent number: 10085496
    Abstract: A compartmentalized hand warmer including one or more of a first flexible panel joined in face contacting relation to a second flexible panel and configured to have a compartment adapted to receive a warming element, a first annular element coupled to the first flexible panel, and a second annular element coupled to the first flexible panel in opposed relation to the first annular element.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: October 2, 2018
    Inventor: John Ledingham
  • Compartmentalized Hand Warmer
    Publication number: 20170265535
    Abstract: A compartmentalized hand warmer including one or more of a first flexible panel joined in face contacting relation to a second flexible panel and configured to have a compartment adapted to receive a warming element, a first annular element coupled to the first flexible panel, and a second annular element coupled to the first flexible panel in opposed relation to the first annular element.
    Type: Application
    Filed: March 13, 2017
    Publication date: September 21, 2017
    Inventor: John Ledingham
  • Wireless communication device
    Patent number: D439232
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: March 20, 2001
    Assignee: Motorola, Inc.
    Inventors: John Ledingham, Monika Wolf, Jozeph Forakis, Donald Szczepanik, Jason Wojack
  • Communications headset
    Patent number: D612834
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: March 30, 2010
    Assignee: Plantronics, Inc.
    Inventors: Joseph Yang, Stann Sheperd, John Ledingham
  • Microphone boom for a communications headset
    Patent number: D612835
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: March 30, 2010
    Assignee: Plantronics, Inc.
    Inventors: Joseph Yang, Stann Sheperd, John Ledingham
  • Communications headset
    Patent number: D612840
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: March 30, 2010
    Assignee: Plantronics, Inc.
    Inventors: Joseph Yang, Stann Sheperd, John Ledingham
  • Lawnmower
    Patent number: D361771
    Type: Grant
    Filed: July 19, 1994
    Date of Patent: August 29, 1995
    Inventor: John Ledingham
  • Transfer bench for bathtub
    Patent number: D375638
    Type: Grant
    Filed: November 14, 1995
    Date of Patent: November 19, 1996
    Assignee: Rubbermaid Health Care Products Inc.
    Inventors: Shivaprasad Dhanapal, John Ledingham
  • Leg for chair
    Patent number: D375854
    Type: Grant
    Filed: November 14, 1995
    Date of Patent: November 26, 1996
    Assignee: Rubbermaid Health Care Products Inc.
    Inventors: Shivaprasad Dhanapal, John Ledingham
  • Cabinet for nebulizer
    Patent number: D378128
    Type: Grant
    Filed: November 13, 1995
    Date of Patent: February 18, 1997
    Assignee: Thomas Industries Inc.
    Inventors: Roy J. Rozek, Jeff H. Behnke, Todd W. Leonhard, John Ledingham
  • Communications headset
    Patent number: RE44672
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: December 31, 2013
    Assignee: Plantronics, Inc.
    Inventors: Joseph Yang, Stann Sheperd, John Ledingham
  • Communications headset
    Patent number: RE45056
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: August 5, 2014
    Assignee: Plantronics, Inc.
    Inventors: Joseph Yang, Stann Sheperd, John Ledingham
  • Compartmentalized hand warmer
    Patent number: D783227
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: April 11, 2017
    Inventor: John Ledingham