Patents by Inventor Wilford M. Boylen

Wilford M. Boylen 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: 5382363
    Abstract: An underground septic tank system is provided, along with a method of constructing the same, which includes a septic tank, drain lines in a trench with a gravel bed and a concrete block aerator column. The aerator column provides a standing supply of oxygen for the drain line and surrounding gravel bed to insure sufficent aerobic bacterial activity to keep the gravel bed unobstructed therethrough.
    Type: Grant
    Filed: December 27, 1993
    Date of Patent: January 17, 1995
    Inventor: Wilford M. Boylen