Patents by Inventor Alexander T. Newhart

Alexander T. Newhart 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).

  • Capillary fill test device with improved fluid delivery
    Patent number: 5975153
    Abstract: An improved capillary fill test device is described. The device is formed to have a capillary aperture designed and sized to facilitate the filling of the device with fluid incident to its use. The described improvements are particularly useful in the construction of capillary fill devices having a capillary flow conduit of reduced flow through cross-sectional area extending between a fluid sample receiving portion and a capillary fill test volume.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: November 2, 1999
    Assignee: Roche Diagnostics Corporation
    Inventors: James L. Hill, Sherry C. Phillips, Alexander T. Newhart, Ryan Neil Hudson, Nancy W. Sutton, Waring Charles Lynch, Charles L. Thomeczek, Jr.
  • Coagulation characteristic testing instrument
    Patent number: D429527
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: August 15, 2000
    Assignee: Roche Diagnostics Corporation
    Inventors: Charles W. Bolam, Joseph R. Geringer, Stephen K. Guerrera, Alexander T. Newhart, Charles C. Thomeczek, Jr.