Patents by Inventor Ballard E. Long

Ballard E. Long 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).

  • Self-threading needle
    Patent number: 4539923
    Abstract: A self-threading needle has a threading slot entering into the upper portion of the needle eye at approximately two thirds from the bottom of the eye, and has a point offset relative to the axis of elongation of the needle toward the same side of the needle from which the slot enters the eye. The slot lies in a plane substantially normal to the axis of the needle and to the wall of the needle in which the slot is formed. The needle includes a clearance above the eye and a thread accommodating groove.
    Type: Grant
    Filed: April 16, 1984
    Date of Patent: September 10, 1985
    Assignees: A. LaSelva, L. Lockard, E. Roberts
    Inventor: Ballard E. Long