Patents by Inventor G. Roger Tatum

G. Roger Tatum 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).

  • Device and method for automatic collection of whole saliva
    Patent number: 6022326
    Abstract: A method and device for automatic or semi-automatic collection of saliva has a mouthpiece on a wand. The wand is connected to an interface section via a flexible conduit. Saliva is transported by aspiration into the device. Bulk air is removed and saliva is collected in a collection chamber. For collection of volatile components, air flow, vacuum, conduit diameter and length, and collection times are controlled and limited, to reduce loss of volatile components.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: February 8, 2000
    Assignee: Lifepoint, Inc.
    Inventors: G. Roger Tatum, David J. Smith, Charles Woodruff, Jr., Connie Chang