Patents by Inventor Lawrence A. Pellegrino

Lawrence A. Pellegrino 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 cleaning waste disposal units
    Patent number: 4480795
    Abstract: Presented is a method and means for use in cleaning the inside surfaces of a waste disposal unit. The device does not interfere with the grinding action of the disposal unit, nor is the device forming the subject matter of this invention subjected to the grinding action of the disposal unit while in use. Additionally, the device may include appropriately scented oils effective to make the inside of the disposal unit pleasantly aromatic.
    Type: Grant
    Filed: April 2, 1982
    Date of Patent: November 6, 1984
    Inventor: Lawrence A. Pellegrino