Patents by Inventor Stephen H. Hubbard

Stephen H. Hubbard 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).

  • Biological sample collecting and holding device
    Patent number: 5440942
    Abstract: A sample collecting and holding device includes a vial and a cap. The cap includes a central opening which can be closed using a push-pull nozzle. A screen or filter also covers the bottom of this central opening and includes an arm having a sample collecting scoop. This permits the user to collect a sample and place it in the liquid-filled vial. The cap, once screwed onto the vial, seals the vial and permits removal of filtered liquid from the push-pull nozzle.
    Type: Grant
    Filed: February 2, 1994
    Date of Patent: August 15, 1995
    Inventor: Stephen H. Hubbard