Patents by Inventor Greg A. Griffeth

Greg A. Griffeth 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).

  • Ceramic assembly for use in biological assays
    Patent number: 5830767
    Abstract: An assembly for use in biological assays containing an integral ceramic core and, partially abutting the core, a sheath. The ceramic core has a mean pore size of from about 1 to about 400 microns, an apparent porosity of from, about 25 to about 60 percent, a hydrophilic surface, a length of from about 10 to about 200 millimeters, and a wicking rate of at least about 20 millimeters per minute; the sheath has a wicking rate of less than 5 millimeters per minute.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: November 3, 1998
    Assignee: At Point Bio
    Inventors: David S. Bauman, Chad A. Sheckler, Randy J. Grellner, Greg A. Griffeth