Patents by Inventor Ivy L. Thompson

Ivy L. Thompson 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).

  • Patent number: 5002536
    Abstract: A hypodermic syringe including a connector member for securing the proximal end of a hollow needle to the distal end of the syringe and a hollow protective elastomeric sleeve having a closed end and an open end, the open end having an inside diameter which is less than the outside diameter of the connector member. A shoulder is formed about the exterior of the open end of the protective sleeve forming a resilient deformable end section on the sleeve which is deformable to grippingly engage the outside of the connector member. An enlarged hollow truncated conical shaped guide member is secured to the sleeve to guide the sharp pointed hollow needle into the open end of said elastomeric sleeve to shield the hand of a health care worker against needle stick injuries.
    Type: Grant
    Filed: October 9, 1987
    Date of Patent: March 26, 1991
    Inventors: John P. Thompson, Ivy L. Thompson