Patents by Inventor Frank J. Witkowski

Frank J. Witkowski 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: 7931623
    Abstract: A trocar system includes a cannula having a cannula head and a cannula tube, and an obturator having a cap and either a rounded tip or a cutting blade. The head and cap form an ergonomically shaped bulbous handle. At least a portion of an outer surface of the cannula head may include a resilient non-slip material. The cannula head may also include a monolithic housing having a port with a Luer Lock fitting and an integrally formed passageway for receiving a stopcock valve.
    Type: Grant
    Filed: February 11, 2008
    Date of Patent: April 26, 2011
    Assignee: ConMed Corporation
    Inventors: Daniel M. Wing, Deborah A. Laun, Frank J. Witkowski
  • Publication number: 20080132847
    Abstract: A trocar system includes a cannula having a cannula head and a cannula tube, and an obturator having a cap and either a rounded tip or a cutting blade. The head and cap form an ergonomically shaped bulbous handle. At least a portion of an outer surface of the cannula head may include a resilient non-slip material. The cannula head may also include a monolithic housing having a port with a Luer Lock fitting and an integrally formed passageway for receiving a stopcock valve.
    Type: Application
    Filed: February 11, 2008
    Publication date: June 5, 2008
    Applicant: CONMED CORPORATION
    Inventors: Daniel M. WING, Deborah A. LAUN, Frank J. WITKOWSKI
  • Patent number: 7344519
    Abstract: A trocar system includes a cannula having a cannula head and a cannula tube, and an obturator having a cap and either a rounded tip or a cutting blade. The head and cap form an ergonomically shaped bulbous handle. At least a portion of an outer surface of the cannula head may include a resilient non-slip material. The cannula head may also include a monolithic housing having a port with a Luer Lock fitting and an integrally formed passageway for receiving a stopcock valve.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: March 18, 2008
    Assignee: ConMed Corporation
    Inventors: Daniel M. Wing, Deborah A. Laun, Frank J. Witkowski
  • Patent number: D559387
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: January 8, 2008
    Assignee: ConMed Corporation
    Inventors: Daniel M. Wing, Deborah A. Laun, Frank J. Witkowski
  • Patent number: D495054
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: August 24, 2004
    Assignee: Conmed Corporation
    Inventors: Deborah A. Laun, Daniel M. Wing, Frank J. Witkowski