Patents by Inventor David Wayne Watermeier

David Wayne Watermeier 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).

  • Amniotic membrane perforator
    Patent number: 6793662
    Abstract: A one piece surgical device for perforating an amniotic membrane, the device including a elongate body defining a tip portion and an opposite handle potion, with the tip portion including a blunt end surface and a rearwardly projecting hook portion which is adjacent an upper edge of the body and the handle portion includes one or more raised surfaces located on the sides of the body closely adjacent the upper edge, wherein a user grasping the device may feel the raised surfaces to determine the orientation of the hook portion.
    Type: Grant
    Filed: July 18, 2003
    Date of Patent: September 21, 2004
    Assignee: DeRoyal Industries, Inc.
    Inventors: David Wayne Watermeier, Pamela Kay Hicks
  • Amniotic membrane perforator
    Patent number: D496102
    Type: Grant
    Filed: July 18, 2003
    Date of Patent: September 14, 2004
    Assignee: DeRoyal Industries, Inc.
    Inventors: David Wayne Watermeier, Pamela Kay Hicks
  • Veress needle cap
    Patent number: D828551
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: September 11, 2018
    Assignee: Global Resources International, Inc.
    Inventors: Qing Yu Zou, David Wayne Watermeier, Jiening Liu