Patents by Inventor David Michael Raby

David Michael Raby 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: 5740645
    Abstract: An improved device for supporting and aligning anchor bolts within a light pole foundation mold. An outer ring having a downwardly projecting, circumferential lip fits atop a sonotube foundation mold. Cross members transverse the space inside the ring and have holes disposed thereon for receiving bolts. A conduit receiving hole is positioned at the intersection of the cross members. Projections on the top side of the outer ring have an outer edge that is aligned with the inner edge of the circumferential lip to provide means for securely stacking several of the devices in superimposed fashion.
    Type: Grant
    Filed: January 8, 1997
    Date of Patent: April 21, 1998
    Inventor: David Michael Raby