Patents by Inventor Milton G. Drysdale

Milton G. Drysdale 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: 4721678
    Abstract: A culture device is disclosed specifically suitable for identifying microorganisms such as Mollicutes comprising a container having opposed transparent optically flat side walls and a nutrient agar medium adhering to the inner surface of a first side wall, and having therein a liquid nutrient medium. During incubation, the nutrient agar medium is spaced apart from the liquid medium with a humid gas phase between the mediums, and the nutrient agar medium can be examined with a microscope through the first wall without opening the container.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: January 26, 1988
    Assignee: Hana Biologics, Inc.
    Inventors: Gerald K. Masover, Milton G. Drysdale
  • Patent number: 4598045
    Abstract: A culture device is disclosed specifically suitable for identifying microorganisms such as Mollicutes comprising a container having opposed transparent optically flat side walls and a nutrient agar medium adhering to the inner surface of a first side wall, and having therein a liquid nutrient medium. During incubation, the nutrient agar medium is spaced apart from the liquid medium with a humid gas phase between the mediums, and the nutrient agar medium can be examined with a microscope through the first wall without opening the container.
    Type: Grant
    Filed: February 19, 1985
    Date of Patent: July 1, 1986
    Assignee: Hana Biologics, Inc.
    Inventors: Gerald K. Masover, Milton G. Drysdale