Patents by Inventor Davis R. Jones

Davis R. Jones 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).

  • Syringe
    Patent number: 4863433
    Abstract: A syringe is provided which has a barrel, a plunger having a hollow center, with the needle stored in the hollow center. A storage compartment is used to encase the needle and keep it sterile while being stored within the plunger. A cap on the tip of the barrel having a protruding shoulder securely engages the tip of the barrel while being stored, and assists in preventing leakage of inoculant from the barrel of the syringe.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: September 5, 1989
    Assignee: Diamond Scientific Co.
    Inventors: John B. Payne, Davis R. Jones