Patents by Inventor David E. Lamberti

David E. Lamberti 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 and means for providing a colored design inlay on granite or marble surface
    Patent number: 5273620
    Abstract: The method of providing colored design inlay on a granite or marble surface comprises the steps of: providing a stone surface; preparing the stone surface; providing colored glass particles; providing a liquid base adhesive; mixing the particles and adhesive; pouring the mixture onto the stone; allowing the mixture to harden; grinding and polishing the mixture; and, etching the finished product. The means comprises the colored glass particles and the liquid base adhesive along with the polishing and etching tools.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: December 28, 1993
    Inventor: David E. Lamberti