Patents by Inventor David G. Swaim

David G. Swaim 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).

  • Injection holder for a plungerless syringe and combination plungerless syringe and injection holder
    Patent number: 5609580
    Abstract: Combination plungerless syringe and ejector for applying force to the bellows portion of the syringe to eject liquid received by the syringe through the cannula portion of the syringe; the injector includes a receptacle generally complementary in shape to and for releasably receiving at least the bellows portion of the syringe. Injector for injecting liquid from a plungerless syringe which includes a cannula portion and a bellows portion, the injector includes a receptacle generally complementary in shape to and for receiving at least the bellows portion of the syringe.
    Type: Grant
    Filed: July 14, 1995
    Date of Patent: March 11, 1997
    Assignee: Vital Signs, Inc.
    Inventors: Edward J. Kwiatkowski, David G. Swaim