Patents by Inventor Albert C. Phelps

Albert C. Phelps 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).

  • Multiple tube perfusion sampler
    Patent number: 5505721
    Abstract: An apparatus for withdrawing blood from a vein and simultaneously filling multiple collection tubes. The apparatus includes a movable sheath which protects the technician from inadvertently contacting the withdrawn needle after use and a laminar flow transition chamber between the blood withdrawal needle and the multiple collection tubes.
    Type: Grant
    Filed: September 16, 1993
    Date of Patent: April 9, 1996
    Inventors: Gregory L. Leach, Albert C. Phelps, Mark L. Krebs