Patents by Inventor Guilio Perla

Guilio Perla 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 of making soap bars
    Patent number: 4201743
    Abstract: Soap bars having indicia extending between, and visible on opposing major faces, and process and apparatus for producing same, is disclosed. The indicia forming material is preferably a soap material having physical and chemical characteristics, except for coloration, similar to those of the base soap material making up the soap bar. The indicia material is extruded through indicia forming dies into the base soap mass immediately prior to the plodder nozzle which rough forms the final soap bar.
    Type: Grant
    Filed: August 4, 1977
    Date of Patent: May 6, 1980
    Assignee: Colgate-Palmolive Company
    Inventors: Guilio Perla, Alessandro D'Arcangeli