Patents by Inventor Pasqualino Petrocelli

Pasqualino Petrocelli 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).

  • Disposable safety syringe
    Patent number: 5792107
    Abstract: A disposable safety syringe in which the needle is automatically retracted after use to a position inside the tubular body of the syringe. The syringe, when retracted, cannot be reused; the needle-retraction means is not accessible to the operator, is not in contact with the substance to be injected, and at the end of the injection the needle is not axially advanced.
    Type: Grant
    Filed: December 2, 1996
    Date of Patent: August 11, 1998
    Inventor: Pasqualino Petrocelli