Patents by Inventor William Henry Wright

William Henry Wright 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).

  • Obstetrical vacuum extractor cup with soft molded lip
    Publication number: 20040167541
    Abstract: The obstetrical vacuum extractor comprising a vacuum cup molded of a first, relatively rigid material, with a lip of a second, relatively soft material secured along the basal opening. An elongated hollow stem which may be coupled to a vacuum source communicates with the interior and, accordingly, the basal opening of the vacuum cup. The first, relatively rigid material of the cup is preferably substantially transparent so that the physician may readily monitor the condition of the fetal scalp throughout delivery.
    Type: Application
    Filed: March 8, 2004
    Publication date: August 26, 2004
    Inventors: Jerry Dwayne Hulse, William Henry Wright
  • Obstetrical vacuum extractor cup with soft molded lip
    Patent number: 6723105
    Abstract: An obstetrical vacuum extractor having a vacuum cup molded of a first, relatively rigid material, with a lip of a second, relatively soft material secured along the basal opening. An elongated hollow stem which may be coupled to a vacuum source communicates with the interior and, accordingly, the basal opening of the vacuum cup. The first, relatively rigid material of the cup is preferably substantially transparent so that the physician may readily monitor the condition of the fetal scalp throughout delivery.
    Type: Grant
    Filed: July 9, 1999
    Date of Patent: April 20, 2004
    Assignee: Prism Enterprises LP
    Inventors: Jerry Dwayne Hulse, William Henry Wright
  • Obstetrical vacuum extractor cup with soft molded lip
    Patent number: 5935136
    Abstract: The obstetrical vacuum extractor includes a vacuum cup molded of a first, relatively rigid material, with a lip of a second, relatively soft material secured along the basal opening. An elongated hollow stem which may be coupled to a vacuum source communicates with the interior and, accordingly, the basal opening of the vacuum cup. The first, relatively rigid material of the cup is preferably substantially transparent so that the physician may readily monitor the condition of the fetal scalp throughout delivery.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: August 10, 1999
    Assignee: Pristech, Inc.
    Inventors: Jerry Dwayne Hulse, William Henry Wright