Patents by Inventor Michael J. Nuzzo

Michael J. Nuzzo 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).

  • Closure assembly for cell culture vessels
    Patent number: 5523236
    Abstract: A closure for providing selective access to and for closing a cell culture vessel includes an open cylindrical first portion for attaching the closure to the cell culture vessel. The first portion includes a passageway for access to the vessel. The closure includes a second portion attached to the first portion by a hinge for closing the access passageway. The second portion additionally includes a vent which has a porous membrane covering it to prevent passage of microorganisms through the vent. The closure includes a third portion which is attached by a hinge to the second portion for closing the vent. Either the vent or the access passageway may be opened with one hand providing easy access and selective closure of the cell culture vessel.
    Type: Grant
    Filed: August 18, 1994
    Date of Patent: June 4, 1996
    Assignee: Becton, Dickinson and Company
    Inventor: Michael J. Nuzzo