Patents by Inventor Michael Haroldsen

Michael Haroldsen 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).

  • Apparatus for producing hollow ground needles
    Patent number: 5810645
    Abstract: An apparatus for applying a cutting edge on surgical needles having at least one abrading device and a needle holding mechanism. The abrading device includes an abrasive member such as a rotatable abrasive belt or grinding wheel. The needle holding mechanism is positionable for selectively engaging an end of at least one needle with the abrading device to provide a cutting edge on the needle.A grinding wheel may be provided for hollow grinding the surgical needles, the grinding wheel including a cylindrical member having a plurality of ridges. The cylindrical member preferably has a super-abrasive coating of diamond or boron nitride particles electroplated thereon.
    Type: Grant
    Filed: May 16, 1996
    Date of Patent: September 22, 1998
    Assignee: United States Surgical Corporation
    Inventors: Richard Abbate, Said Rizk, Michael Haroldsen, Timothy D. Kosa
  • Apparatus for producing hollow ground needles
    Patent number: 5571042
    Abstract: An apparatus for applying a cutting edge on surgical needles having at least one abrading device and a needle holding mechanism. The abrading device includes an abrasive member such as a rotatable abrasive belt or grinding wheel. The needle holding mechanism is positionable for selectively engaging an end of at least one needle with the abrading device to provide a cutting edge on the needle. A grinding wheel may be provided for hollow grinding the surgical needles, the grinding wheel including a cylindrical member having a plurality of ridges. The cylindrical member preferably has a super-abrasive coating of diamond or boron nitride particles electroplated thereon.
    Type: Grant
    Filed: August 9, 1993
    Date of Patent: November 5, 1996
    Assignee: United States Surgical Corporation
    Inventors: Richard Abbate, Said Rizk, Michael Haroldsen, Timothy D. Kosa