Patents Assigned to NPD Technology
  • Soft contact lens with thin edge
    Patent number: 4153349
    Abstract: This invention relates to novel contact lenses, to a method of preparing the same, and to apparatus for carrying out the method of the invention.
    Type: Grant
    Filed: October 30, 1974
    Date of Patent: May 8, 1979
    Assignee: NPD Technologies, Inc.
    Inventor: Otto Wichterle
  • Safe view mailbox
    Patent number: D493937
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: August 3, 2004
    Assignee: NPD Technology
    Inventors: Robert Dillilo, Robert Long