Patents by Inventor Daniel R. Kruszka

Daniel R. Kruszka 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: 5556643
    Abstract: An anticoagulant for blood contains sodium hydroxide, citric acid and sodium hexametaphosphate. A method of preventing the clotting of blood using the anticoagulant also is disclosed.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: September 17, 1996
    Assignee: Hydrite Chemical Co.
    Inventors: Leo F. Bohanon, Robert A. Adams, Daniel R. Kruszka