Patents by Inventor John Cardiff

John Cardiff 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).

  • Method and apparatus for dry releasing lenses from an anterior mold half
    Publication number: 20040061246
    Abstract: A method and apparatus for releasing an ophthalmic lens in the dry state from an associated anterior mold part in which the lens was cast and is adhered by application of a first force which releases the periphery of the lens followed by application of a second force which releases the center of the lens.
    Type: Application
    Filed: September 30, 2002
    Publication date: April 1, 2004
    Inventors: John Cardiff, Thomas F. Natalie, David L. Smith, William J. Seyboth
  • Method for separating packages
    Patent number: 6253912
    Abstract: A package assembly includes packages that are connected to a common sheet of lidstock. Various packages are separated from other packages by severing the lidstock between the packages. The packages are supported in depressions in a tray, and the depressions are tapered to facilitate severance of the lidstock.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: July 3, 2001
    Assignee: Bausch & Lomb Incorporated
    Inventors: Trevor O'Neill, John Cardiff