Patents Assigned to The APA Corporation
  • Patent number: 4257539
    Abstract: A manufacture of fluid handling devices having a variety of different surface contours or appearances features a universal fluid handling component retaining body and a shroud for enclosing the universal body, the shroud being a selected one of a variety of shrouds that are fabricated separately from the body and that are characterized by having a common internal surface configuration for engaging in permanently affixed, or removable relation, predetermined, selected exterior portions of the universal body, and further, that are characterized by having different external or surface contours or appearances, the latter being determined by merchandising or consumer preference.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: March 24, 1981
    Assignee: The APA Corporation
    Inventors: John R. Cary, Theodore J. Humphrey, II, Walter H. Wesner