Patents by Inventor Arthur W. DeWitt

Arthur W. DeWitt 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).

  • Method for forming a concrete piling foundation
    Patent number: 4127002
    Abstract: A process for building-up a pre-formed concrete piling while the piling is in place in terrain to form a finished piling foundation of uniform height above reference terrain level having a pre-formed portion and a cast-in-place portion.
    Type: Grant
    Filed: November 25, 1977
    Date of Patent: November 28, 1978
    Inventor: Arthur W. DeWitt