Patents by Inventor Nicholas M. Januszewski

Nicholas M. Januszewski 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).

  • Anhydrous knife
    Patent number: 4616580
    Abstract: A knife for dispensing anhydrous material within the subsoil consisting of a configured body of cast metal, the lower end defining a sacrificial mass providing the knife with excellent wear characteristics. A dispensing tube is cast within the body having orifices protected from plugging and a soil replacement and compacting element is homogeneously defined on the rear portion of the knife body immediately replacing the displaced soil to close the formed slit and retain the dispensed material.
    Type: Grant
    Filed: January 23, 1985
    Date of Patent: October 14, 1986
    Assignee: Hayes-Albion Corporation
    Inventors: Alan R. Moore, Nicholas M. Januszewski