Patents by Inventor Lai King Ma

Lai King Ma 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).

  • Attachable Portable Lighting Device and Methods of Operation
    Publication number: 20110157874
    Abstract: A lighting device includes a housing, one or more light sources, one or more lenses and an attachment mechanism or clip. The housing includes a front end, a lower surface, and an upper surface. The one or more light sources are positioned at a front end of the housing. The one or more lenses are positioned proximate to the light sources. The clip or the attachment mechanism is coupled to the lower surface of the housing.
    Type: Application
    Filed: March 8, 2011
    Publication date: June 30, 2011
    Applicant: EVEREADY BATTERY COMPANY, INC.
    Inventors: Earl K. Sant, Lai King Ma, Frank F. Huang
  • Lighting device
    Patent number: D574527
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: August 5, 2008
    Assignee: Eveready Battery Company, Inc.
    Inventors: Michael S. Squires, Angelo Kotsis, Lai King Ma
  • Lighting device
    Patent number: D587830
    Type: Grant
    Filed: June 10, 2008
    Date of Patent: March 3, 2009
    Assignee: Eveready Battery Company, Inc.
    Inventor: Lai King Ma
  • Lighting device
    Patent number: D590531
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: April 14, 2009
    Assignee: Eveready Battery Co., Inc.
    Inventor: Lai King Ma
  • Lighting device
    Patent number: D590975
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: April 21, 2009
    Assignee: Eveready Battery Co., Inc.
    Inventor: Lai King Ma
  • Lighting device
    Patent number: D606688
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: December 22, 2009
    Assignee: Eveready Battery Company, Inc.
    Inventor: Lai King Ma
  • Lighting device
    Patent number: D607132
    Type: Grant
    Filed: February 16, 2009
    Date of Patent: December 29, 2009
    Assignee: Eveready Battery Company, Inc.
    Inventor: Lai King Ma
  • Lighting device
    Patent number: D612968
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: March 30, 2010
    Assignee: Eveready Battery Co., Inc.
    Inventor: Lai King Ma