Patents by Inventor Libby Marshall

Libby Marshall 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).

  • Skin treating device
    Patent number: 8540731
    Abstract: A hand held device for removing hard skin from calluses comprises a handle (1) and a cutting head (2) having a base plate (8), and several tubular cutting elements (10) inclined so that their cutting edges lie in inclined planes at an angle of 5° to 45° to a skin contact plane defined by the extremities of the cutting elements. The cutting elements can be arranged in an array of staggered rows.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: September 24, 2013
    Assignee: LRC Products Limited
    Inventors: Peter Kay, Libby Marshall, Clive Southernwood
  • Skin Treating Device
    Publication number: 20120016379
    Abstract: A hand held device for removing hard skin from calluses comprises a handle (1) and a cutting head (2) having a base plate (8), and several tubular cutting elements (10) inclined so that their cutting edges lie in inclined planes at an angle of 5° to 45° to a skin contact plane defined by the extremities of the cutting elements. The cutting elements can be arranged in an array of staggered rows.
    Type: Application
    Filed: September 28, 2009
    Publication date: January 19, 2012
    Applicant: LRC Products Limited
    Inventors: Peter Kay, Libby Marshall, Clive Southernwood