Patents Assigned to ADVANCE MANUFACTURING TECHNOLOGY, INC.
  • Publication number: 20080236838
    Abstract: An apparatus (100) and a method to prevent undesired objects (not shown) when communication conduit (not shown) is disposed therethrough. The apparatus (100) and method include a flapper assembly (150) to selectively open and close when objects (not shown) larger than the communications conduit (not shown) are desired to pass therethrough.
    Type: Application
    Filed: May 3, 2005
    Publication date: October 2, 2008
    Applicant: ADVANCE MANUFACTURING TECHNOLOGY, INC.
    Inventors: Max H. Smith, Douglas B. Leeth, John A. Lemke