Patents by Inventor Donald LaBute

Donald LaBute 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).

  • Cyclonic back-pack vacuum cleaner
    Patent number: 5267371
    Abstract: A back-pack vacuum cleaner comprises a back-pack harness, an upper casing attached to the harness and a lower casing rotatably mounted on the upper casing. A cyclonic cleaning assembly is mounted within the upper casing such that at least part of the assembly extends into the lower casing. The motor is positioned within the upper casing above the cyclonic cleaning assembly.
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: December 7, 1993
    Assignee: Iona Appliances Inc.
    Inventors: Norman V. Soler, Tat-Chi A. Tsui, Donald LaBute