Patents by Inventor Andrew L. Keeler

Andrew L. Keeler 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: 4360292
    Abstract: A grouted strand anchor and method of making the same comprising a pre-drilled anchor hole, a strand having centering means thereon for centering the strand in the hole, and grout surrounding the strand and engaging the sides of the hole for transferring tension loads in the strand by shear forces in the grout to the sides of the hole.
    Type: Grant
    Filed: May 28, 1980
    Date of Patent: November 23, 1982
    Inventors: Andrew L. Keeler, Ronald Marsico