Patents by Inventor Michael W. Willis

Michael W. Willis 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).

  • Disposable bag for the collection of body fluids
    Patent number: 5356398
    Abstract: The present invention provides a disposable bag for the collection of body fluids with an improved sealing structure. The disposable bag comprises a flexible collection bag having a pair of seal strips adjacent its open end. A resiliently flexible funnel is sealing attached within the open end of the bag in a position to not interfere with the seal strips and a flexible non-return valve is sealed to the bottom of the funnel. A gauge indicating the volume of fluid collected and a label portion for identification are provided on a side of the bag.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: October 18, 1994
    Assignee: Laser Corporation
    Inventor: Michael W. Willis