Patents by Inventor MaryAnn Glover

MaryAnn Glover 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).

  • Slack reduced lock member for a type E raiway coupler
    Patent number: 5878897
    Abstract: A lock member for a Type E railway freight car coupler formed of an as-cast and austempered ductile iron casting, having a slightly over-sized head portion, the as-cast and austempered ductile iron casting having a minimum tensile strength of about 140 ksi, a minimum yield strength of about 110 ksi, a minimum elongation in 2 inches of about 4%, and a BHN of about 321-388.
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: March 9, 1999
    Assignee: McConway & Torley Corporation
    Inventors: Frank Lazzaro, Peter Scott Mautino, Jeffrey D. Wurzer, MaryAnn Glover, Alvin G. Hurt