Patents by Inventor Elizabeth L. Dugger

Elizabeth L. Dugger 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).

  • Laundry additive dispenser
    Patent number: 4026131
    Abstract: This application relates generally to the provision of an apparatus for the dispensing of a laundry additive into an automatic washing machine at the proper interval. More specifically, the present application relates to the provision of an apparatus that will introduce a laundry additive into the rinse cycle of an automatic washing machine, which apparatus is disposable upon completion of use.
    Type: Grant
    Filed: August 27, 1975
    Date of Patent: May 31, 1977
    Assignee: Lever Brothers Company
    Inventors: Elizabeth L. Dugger, Alan B. Kessler