Patents Assigned to Sy-Quest International Limited
  • Apparatus for hypodermic injection of liquids
    Patent number: 5009637
    Abstract: A device to introduce a liquid into the hypoderma, the device includes a reservoir which receives a gas under pressure, the gas is delivered via a valve to an interacting piston and cylinder. When the gas is delivered to the piston, the piston moves to eject a liquid from a capsule mounted within the device. The liquid contained in the capsule is then ejected through a nozzle located against the skin of the user.
    Type: Grant
    Filed: November 16, 1988
    Date of Patent: April 23, 1991
    Assignee: Sy-Quest International Limited
    Inventors: Jack Newman, James A. Monroe