Patents by Inventor Glenn C. Davis

Glenn C. Davis 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).

  • Patent number: 6481023
    Abstract: A suspension for a protective helmet having a headband section that encompasses at least a part of a user's head and a crown support section connected to the headband section. The headband section and the crown support section of the suspension are fabricated from an integral piece of material. The suspension system may also have a headband comprising a section of elastic material. Alternatively, the headband may comprise a forward band having a first section to contact the forehead of the user and a second section adapted to be positioned between the user's head and the crown support section of the suspension during use thereof.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: November 19, 2002
    Assignee: Mine Safety Appliances Company
    Inventors: Layton A. Wise, James A. Hendrickson, Glenn C. Davis, James G. Tomlinson, Paul A. Zeller
  • Publication number: 20020000004
    Abstract: A suspension for a protective helmet having a headband section that encompasses at least a part of a user's head and a crown support section connected to the headband section. The headband section and the crown support section of the suspension are fabricated from an integral piece of material. The suspension system may also have a headband comprising a section of elastic material. Alternatively, the headband may comprise a forward band having a first section to contact the forehead of the user and a second section adapted to be positioned between the user's head and the crown support section of the suspension during use thereof.
    Type: Application
    Filed: August 24, 2001
    Publication date: January 3, 2002
    Inventors: Layton A. Wise, James A. Hendrickson, Glenn C. Davis, James G. Tomlinson, Paul A. Zeller
  • Patent number: 5117506
    Abstract: A protective hat comprises a shell having a visor in which the underside of the visor is molded with a textured surface that diffuses reflected light.
    Type: Grant
    Filed: May 14, 1991
    Date of Patent: June 2, 1992
    Assignee: Mine Safety Appliances Company
    Inventors: James K. Byrnes, Glenn C. Davis