Patents by Inventor Anthony F. Yakamavich, Jr.

Anthony F. Yakamavich, Jr. 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).

  • Drilling tool and insert therefor
    Patent number: 5302060
    Abstract: A cutting insert includes a cutting edge extending obliquely relative to a center line of the insert. A chip breaking recess is spaced inwardly from the cutting edge and extends parallel hereto. A drill tool contains three inserts situated along a common diameter. The center insert has a cutting edge radially overlapping the cutting edges of the other two inserts. Each of the cutting edges of the other two inserts extends axially rearwardly and radially outwardly.
    Type: Grant
    Filed: December 17, 1991
    Date of Patent: April 12, 1994
    Assignee: Sandvik AB
    Inventors: Leif R. Nystrom, Claes G. Lagerholm, Anthony F. Yakamavich, Jr.