Patents by Inventor Patricia Ann Hutfles

Patricia Ann Hutfles 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).

  • Contact lenses bearing identifying marks
    Patent number: 6024448
    Abstract: This invention provides a contact lens comprising a front surface, a back surface and an identifying mark on at least one of said front surface and said back surface, wherein said identifying mark comprises a depressed region having a cross-section which comprises at least two intersecting concave surfaces at the bottom of said depressed region.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: February 15, 2000
    Assignee: Johnson & Johnson Vision Products, Inc.
    Inventors: Jongliang Wu, Khaled A. Chehab, Carl G. Crowe, Timothy R. Poling, Richard J. Nason, Jon Scott Walker, Susan-Wendy B. Neadle, Patricia Ann Hutfles, W. Anthony Martin