Patents by Inventor Marshall L. Fernald

Marshall L. Fernald 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).

  • MILLING BURS AND SYSTEMS AND METHODS FOR PERFORMING QUALITY CONTROL OF THE SAME
    Publication number: 20230380943
    Abstract: Disclosed are example embodiments of a milling bur specifically designed to mill a dental prosthesis from a full-sintered zirconia blank. The milling bur comprises a milling tip configured to have a factor of safety of at least 2 by having a first coverage-percentage of grinding particles covering a surface area of the tip of the milling bur. The factor of safety is a number of times the milling bur can fully mill a dental prosthesis from a fully-sintered zirconia blank.
    Type: Application
    Filed: August 3, 2023
    Publication date: November 30, 2023
    Applicant: James R. Glidewell Dental Ceramics, Inc.
    Inventors: Marco A. Jokada, Vaheh Golestanian Nemagrdi, Kenad Destanovic, Marshall L. Fernald, David C. Leeson
  • Milling burs and systems and methods for performing quality control of the same
    Patent number: 11730575
    Abstract: Disclosed are example embodiments of a milling bur specifically designed to mill a dental prosthesis from a full-sintered zirconia blank. The milling bur comprises a milling tip configured to have a factor of safety of at least 2 by having a first coverage-percentage of grinding particles covering a surface area of the tip of the milling bur. The factor of safety is a number of time the milling bur can fully mill a dental prosthesis from a fully-sintered zirconia blank.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: August 22, 2023
    Assignee: James R. Glidewell Dental Ceramics, Inc.
    Inventors: Marco A. Jokada, Vaheh Golestanian Nemagrdi, Kenad Destanovic, Marshall L. Fernald, David C. Leeson
  • MILLING BURS AND SYSTEMS AND METHODS FOR PERFORMING QUALITY CONTROL OF THE SAME
    Publication number: 20220071745
    Abstract: Disclosed are example embodiments of a milling bur specifically designed to mill a dental prosthesis from a full-sintered zirconia blank. The milling bur comprises a milling tip configured to have a factor of safety of at least 2 by having a first coverage-percentage of grinding particles covering a surface area of the tip of the milling bur. The factor of safety is a number of time the milling bur can fully mill a dental prosthesis from a fully-sintered zirconia blank.
    Type: Application
    Filed: September 10, 2020
    Publication date: March 10, 2022
    Inventors: Marco A. Jakoda, Vaheh N. Golestanian, Kenad Destanovic, Marshall L. Fernald, David C. Leeson