Patents by Inventor Kirsten Cox

Kirsten Cox 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).

  • Patent number: 4959052
    Abstract: Disclosed is an oral applicator for the application of an active substance in the form of a hollow structure corresponding substantially in shape and dimensions to an external form of a crown of one or more natural teeth and adapted to contain the active substance, the hollow structure having one or more passage openings for the controlled release of certain amounts of the active substance, the passage openings being a buccal and/or palatal or lingual portion for the passage of saliva and of the active substance dissolved therein.
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: September 25, 1990
    Assignee: Georg Wiegner
    Inventor: Kirsten Cox