Patents by Inventor Mark J. Lenhart

Mark J. Lenhart 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: 5006718
    Abstract: An X-ray shield comprises an elongated mounting bar having a linear main section and linear hinge section hingedly connected together, a mounting bracket on one side of the linear main section adapted for connection to the accessory rod on the side of an X-ray examination table and draped opaque to X-ray extending from the mounting bar to the floor to protect personnel from X-ray radiation emanating from below the examination table.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: April 9, 1991
    Inventor: Mark J. Lenhart
  • Patent number: 4581538
    Abstract: A shield for protecting a person from radiation being used to irradiate a work area, while permitting the person to observe and to have access to the work area, including a radiation-shielding observation window, and a flexible, mechanically penetrable radiation-shielding curtain adjacent the window.
    Type: Grant
    Filed: September 30, 1983
    Date of Patent: April 8, 1986
    Assignee: Colonial X-Ray Corporation
    Inventor: Mark J. Lenhart