Patents Represented by Attorney Darin H. Duphorne
  • Patent number: 5576479
    Abstract: An apparatus and method for pressure testing a body having a chamber by utilizing differential pressures to create a seal, whereby the body can be pressure tested without undesired forces being exerted upon the body.
    Type: Grant
    Filed: March 30, 1995
    Date of Patent: November 19, 1996
    Inventor: John P. Emmitte, Jr.