Patents by Inventor Carl Filipowicz

Carl Filipowicz 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).

  • Spinal needle assembly
    Patent number: 4233974
    Abstract: A spinal needle assembly in which means are provided for bridging the end cap of the obturator and the hub of the cannula to prevent relative axial movement between the obturator and cannula.
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: November 18, 1980
    Assignee: Baxter Travenol Laboratories, Inc.
    Inventors: Vince Desecki, Carl Filipowicz