Patents by Inventor Challis Avery King

Challis Avery King 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: 9987060
    Abstract: A bone anchor locking device for receiving a bone anchor having a shank and an enlarged head, the device has a bone anchor, a dome and a conical split washer. The receiving portion has a base extending radially outward and inwardly to a wall. The dome has a center aperture sized to pass a bone anchor. The split washer has an inner conical surface sloped to slide and expand against at least a portion of the base on insertion of a bone anchor to allow a maximum diameter of a head of a bone anchor to pass and thereafter the split washer retracts overlying the maximum diameter of the head to prevent a bone anchor from backing out.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: June 5, 2018
    Assignee: Amendia, Inc.
    Inventors: Challis Avery King, Dale Whipple, William Carlton Tally
  • Publication number: 20170367742
    Abstract: A bone anchor locking device for receiving a bone anchor having a shank and an enlarged head, the device has a bone anchor, a dome and a conical split washer. The receiving portion has a base extending radially outward and inwardly to a wall. The dome has a center aperture sized to pass a bone anchor. The split washer has an inner conical surface sloped to slide and expand against at least a portion of the base on insertion of a bone anchor to allow a maximum diameter of a head of a bone anchor to pass and thereafter the split washer retracts overlying the maximum diameter of the head to prevent a bone anchor from backing out.
    Type: Application
    Filed: September 7, 2017
    Publication date: December 28, 2017
    Applicant: Amendia, Inc.
    Inventors: Challis Avery King, Dale Whipple, William Carlton Tally
  • Patent number: 9782207
    Abstract: A bone anchor locking device for receiving a bone anchor having a shank and an enlarged head, the device has a bone anchor, a dome and a conical split washer. The receiving portion has a base extending radially outward and inwardly to a wall. The dome has a center aperture sized to pass a bone anchor. The split washer has an inner conical surface sloped to slide and expand against at least a portion of the base on insertion of a bone anchor to allow a maximum diameter of a head of a bone anchor to pass and thereafter the split washer retracts overlying the maximum diameter of the head to prevent a bone anchor from backing out.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: October 10, 2017
    Assignee: Amendia, Inc.
    Inventors: Challis Avery King, Dale Whipple, William Carlton Tally
  • Publication number: 20160000485
    Abstract: A bone anchor locking device for receiving a bone anchor having a shank and an enlarged head, the device has a bone anchor, a dome and a conical split washer. The receiving portion has a base extending radially outward and inwardly to a wall. The dome has a center aperture sized to pass a bone anchor. The split washer has an inner conical surface sloped to slide and expand against at least a portion of the base on insertion of a bone anchor to allow a maximum diameter of a head of a bone anchor to pass and thereafter the split washer retracts overlying the maximum diameter of the head to prevent a bone anchor from backing out.
    Type: Application
    Filed: August 22, 2014
    Publication date: January 7, 2016
    Applicant: AMENDIA, INC.
    Inventors: Challis Avery King, Dale Whipple, William Carlton Tally