Patents by Inventor Dennis L. Garrett

Dennis L. Garrett 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).

  • Insulated concrete wall
    Patent number: 4541211
    Abstract: An insulated concrete wall having a centrally disposed layer of insulation and utilizing a unitary means for simultaneously maintaining form panels in a predetermined spaced relationship, and for maintaining the insulation in a predetermined spaced relationship between the form panels such that a permanent and reinforced mechanical connection is provided between said concrete walls and said interposed insulation.
    Type: Grant
    Filed: March 21, 1983
    Date of Patent: September 17, 1985
    Assignee: International Housing Limited
    Inventor: Dennis L. Garrett