Patents by Inventor Kristen S. Fay

Kristen S. Fay 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).

  • Undercut diamond surgical blade and method of using the same
    Patent number: 5376099
    Abstract: Surgical blades, knives and keratotomy procedures are provided which are capable of severing deep corneal tissue in the optical zone without penetrating the surface of this zone and causing optical glare. The blades of this invention include at least one cutting edge thereon which is shorter than about 0.5 mm and which includes a projecting cutting portion and/or recessed blunt edge to permit primary or secondary incisions beneath the surface of the optical zone.
    Type: Grant
    Filed: October 20, 1993
    Date of Patent: December 27, 1994
    Assignee: KMI, Inc.
    Inventors: William Ellis, Kerry K. Assil, William R. Knepshield, Kristen S. Fay