Patents by Inventor Mark A. Packard

Mark A. Packard 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: 5069588
    Abstract: An anchoring device having a head and a shank to be forcibly driven into a hole defined within concrete or is disclosed. The shank has proximal, transitional, and distal portions defining respective axes that do not coincide when the shank is unstressed and further defining proximal and distal elbows. Notches enhancing frictional engagement between the shank and the hole wall are formed along convex surfaces of the elbows, as well as long substantially cylindrical surfaces of the proximal, transitional, and distal portions of the shank.
    Type: Grant
    Filed: September 13, 1990
    Date of Patent: December 3, 1991
    Assignee: Illinois Tool Works Inc.
    Inventors: Syed R. Hasan, Mark A. Packard, Michael P. Ditka