Patents by Inventor Donna M. Larson

Donna M. Larson 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: 5516007
    Abstract: A dispenser for a flowable material has a housing with a chamber accommodating a flexible bag containing the flowable material. The bag has a neck retain on the housing with a cap or nipple mounted on the dispensing end of the housing. The housing has an open bottom end closed with a door. In one embodiment, the door is hinged to the housing. A releasable latch connected to the housing and door retains the door in the closed position. In another embodiment, the door is releasably retained a bead joined to the lower section of the housing.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: May 14, 1996
    Inventor: Donna M. Larson