Patents by Inventor Henry J. Buchman

Henry J. Buchman 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).

  • Prefilled disposable syringe
    Patent number: 4317446
    Abstract: A prefilled disposable syringe having a barrel, hub, and needle with a plunger rod/protector attached to the outer surface of the barrel near the hub by flexible protrusions from the inner surface of the plunger rod/protector. The flexible protrusions frictionally engage the outer surface.
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: March 2, 1982
    Assignee: Schering Corporation
    Inventors: Thomas J. Ambrosio, Henry J. Buchman, Joseph J. Rogus, Henry R. Sochon
  • Plunger rod/needle protector for a hypodermic syringe
    Patent number: D267587
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: January 11, 1983
    Assignee: Schering Corporation
    Inventors: Thomas J. Ambrosio, Henry J. Buchman, Joseph J. Rogus, Henry R. Sochon