Patents by Inventor Mary J. Mitchell

Mary J. Mitchell 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).

  • Fitted top sheet
    Patent number: 6502258
    Abstract: A fitted top sheet for holding a top sheet to a mattress in a more secured manner. The fitted top sheet includes a top sheet having a first edge, a second edge, a third edge and a fourth edge. The first and second edges are opposite edges with respect to each other. The top sheet has an upper surface and a lower surface and comprises a cloth material. A receiving member removably receives a foot of a mattress. The receiving member is attached to the lower surface of the top sheet and positioned adjacent to the first edge.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: January 7, 2003
    Inventor: Mary J. Mitchell
  • Monitoring electroless plating baths
    Patent number: 5384153
    Abstract: Disclosed is a method of monitoring electroless plating solutions. The solutions are used to plate a light-transmitting medium. Measurements are made to determine the time it takes for light transmission through the medium to be reduced to a certain level. This measurement can be used to determine whether articles will be sufficiently plated by the solutions.
    Type: Grant
    Filed: March 10, 1993
    Date of Patent: January 24, 1995
    Assignee: AT&T Corp.
    Inventors: Alfred J. Grady, Jr., Sudarshan Lal, Mary J. Mitchell, Yutaka Okinaka, Craig G. Smith, Harvey S. Trop, Chwan-Tsann Wang