Patents by Inventor John Young Harrison

John Young Harrison 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).

  • Suction device
    Patent number: 3952743
    Abstract: A suction device for medical purposes which enables diseased tissue, such as brain tumor tissue, to be removed. No mechanical action is involved in the use of the suction device and therefore no blood vessels or healthy tissue is damaged.
    Type: Grant
    Filed: March 25, 1974
    Date of Patent: April 27, 1976
    Assignee: Unisearch Limited
    Inventor: John Young Harrison