Patents by Inventor David C. Tumer

David C. Tumer 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
    Publication number: 20040209973
    Abstract: The invention provides silicone hydrogel contact lenses that exhibit reduced back surface debris and reduced incidence of superior epithelial arcurate lesions.
    Type: Application
    Filed: October 9, 2001
    Publication date: October 21, 2004
    Inventors: Robert B. Steffen, David C. Tumer, Douglas G. Vanderlaan
  • Soft contact lenses
    Publication number: 20040186248
    Abstract: A soft contact lens containing a silicone-hydrogel made by curing a reaction mixture containing a silicone-containing monomer.
    Type: Application
    Filed: January 28, 2004
    Publication date: September 23, 2004
    Inventors: Douglas G. Vanderlaan, David C. Tumer, Marcie V. Hargiss, Annie C. Maiden, Robert N. Love, James D. Ford, Frank F. Molock, Robert B. Steffen, Azaam Alli, John B. Enns, Kevin P. McCabe
  • Molds for producing contact lenses
    Publication number: 20040075039
    Abstract: This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.
    Type: Application
    Filed: August 13, 2003
    Publication date: April 22, 2004
    Inventors: Dharmesh K. Dubey, David C. Tumer, Lenora L. Copper, Thomas A. Matiacio, Richard W. Abrams, Kevin P. McCabe, Scott F. Ansell, Richard J. Fougere, Dominic Gourd, Thomas R. Rooney, Xu Song