Patents by Inventor Ian L. Handricks

Ian L. Handricks 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 of manufacturing a contact lens
    Patent number: 4619082
    Abstract: A contact lens is manufactured by a method involving machining a first face (2,3) and a reference surface (4) on a blank (1); mounting the blank (1) in a work holder (10) adapted for accurate mounting on a lathe such that the blank (1) is held with its first face (2,3) accurately positioned relative to a datum point on the lathe; and machining a second face (8) on the blank (1). Such method avoids the need for skilled operatives and enables easy manufacture of accurately dimensioned contact lenses.
    Type: Grant
    Filed: October 23, 1984
    Date of Patent: October 28, 1986
    Assignee: Contact Lens Supplies Limited
    Inventors: Michael J. Dent, Ian L. Handricks