Patents by Inventor Conrad E. Yunker

Conrad E. Yunker 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: 4447537
    Abstract: Six new cell lines of Acari: Ixodidae are provided, four from embryonic tissue of Dermacentor variabilis and two from embryonic tissue of Dermacentor parumapertus; and the use of these cell lines for replicating representative microorganisms is shown.
    Type: Grant
    Filed: January 22, 1981
    Date of Patent: May 8, 1984
    Assignee: The United States of Americas as represented by the Department of Health and Human Services
    Inventors: Conrad E. Yunker, John C. Cory, Harold R. Meibos