Patents by Inventor William J. Ewart

William J. Ewart 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: 5375698
    Abstract: A container for holding contact lenses in contact lens treatment solutions which has a base member equipped with at least one compartment. Each compartment has a predetermined length and width situated in a juxtaposed position with a partition thereinbetween for holding the contact lens and a laterally projecting flange around the perimeter of the compartment. Each compartment is filled with a contact lens treatment solution. A layer of adhesive is deposited on the laterally projecting flange. A cover sheet member extending at least across the full length and width of the compartment is releaseably united to the base member at the flange by the layer of adhesive forming a fluid-tight seal. The layer of adhesive is capable of uniting the cover sheet member and the base member at the flange and forming a fluid-tight seal after repeated uniting and releasing between the two members. In an alternate embodiment, a sliding cover is used to slidingly engage the flange achieving a fluid-tight seal.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: December 27, 1994
    Assignee: Allergan, Inc.
    Inventors: William J. Ewart, Laurie C. Grau