Patents by Inventor Barry S. Ward

Barry S. Ward 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).

  • Operator means for syringe cartridges
    Patent number: 4112945
    Abstract: A syringe device is disclosed which employs an operator cooperable with the plunger of a syringe cartridge to facilitate discharge of fluid from the syringe cartridge. Various embodiments of the operator each include a sleeve portion which progressively telescopes the barrel of the syringe cartridge to prevent its fracture and lend stability to the assembly during operation. The operators are cooperable with the syringe cartridge to selectively discharge one or more predetermined dosages from the syringe.
    Type: Grant
    Filed: May 26, 1977
    Date of Patent: September 12, 1978
    Assignee: Alcon Laboratories, Inc.
    Inventors: Michael L. Helixon, Barry S. Ward
  • Operator means for syringe cartridges
    Patent number: 4091812
    Abstract: A syringe device is disclosed which employs an operator cooperable with the plunger of a syringe cartridge to facilitate discharge of fluid from the syringe cartridge. Various embodiments of the operator each include a sleeve portion which progressively telescopes the barrel of the syringe cartridge to prevent its fracture and lend stability to the assembly during operation. The operators are cooperable with the syringe cartridge to selectively discharge one or more predetermined dosages from the syringe.
    Type: Grant
    Filed: January 19, 1976
    Date of Patent: May 30, 1978
    Assignee: Alcon Laboratories, Inc.
    Inventors: Michael L. Helixon, Barry S. Ward