Patents by Inventor Richard Stephen Penny

Richard Stephen Penny 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).

  • Publication number: 20040104494
    Abstract: A method of cast moulding toric contact lenses is provided in which each lens has a ballast and a toric central zone having a cylindrical axis, the cylindrical axis having an axis of orientation at a desired rotational angle with respect to the axis of the ballast, said method comprising the steps of: (a) providing male and female mould halves wherein the surface of one mould half defines said cylindrical axis and the other defines said ballast axis; (b) loosely assembling the mould halves and transporting the loosely assembled moulds to a filling station under conditions in which the mould halves are free to move relatively to each other in a rotational sense and are subjected to a joggling action during said transport or while being held prior to entry into the filling station; (c) lifting the male mould halves at the filling station, introducing a flowable polymerisable composition into the female mould halves and closing the male mould fully into the female mould halves and curing the polymerisable compos
    Type: Application
    Filed: June 2, 2003
    Publication date: June 3, 2004
    Inventors: Barrie Bevis, Michael James Kelly, Robert Hounsell, Stephen Saunders, Richard Stephen Penny, Peter Frederick Brierley