Patents by Inventor Donald B. Bedford

Donald B. Bedford 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: 4200613
    Abstract: A coated bead, a gripper for rotatably engaging the bead, a carrier for carrying at least one gripper, test tray bearing at least one reaction chamber and an agitator for agitating the carrier in relation to the test tray are disclosed.
    Type: Grant
    Filed: April 14, 1978
    Date of Patent: April 29, 1980
    Assignee: Ramco Laboratories Inc.
    Inventors: Clarence P. Alfrey, Donald B. Bedford