Patents by Inventor Leonard B. Gross

Leonard B. Gross 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).

  • Dental whitening strips
    Patent number: 8496947
    Abstract: A dental whitening strip which includes a carrier support having a whitening composition adhered to said carrier where the whitening composition comprises (a) dextrin; (b) a peroxide; (c) a non-toxic water soluble inorganic salt; (d) a acceptable hydroxy compound which is a plasticizer.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: July 30, 2013
    Assignee: Creative Specialty Products, LLC
    Inventors: Peter J. Dronzek, Jr., Leonard B. Gross, Leslie U. Fernandez
  • In-line cold foil transfer process and apparatus
    Patent number: 5603259
    Abstract: An improved apparatus and method employ a printing press which normally includes a plurality of printing stations and a plurality of heating stations. An adhesive, rather than ink, is applied to a continuous web at at least one of the printing stations and heat is subsequently applied to the web at at least one of the heating stations in order to initiate curing of the adhesive. Roll leaf is pressed against the web with a pressure sufficient to transfer colored (i.e., metallic or non-metallic) material from the roll leaf to the adhesive which has been applied to the web and which is undergoing curing.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 18, 1997
    Assignees: Crown Roll Leaf, Inc., Adhesion Systems, Inc.
    Inventors: Leonard B. Gross, Manuel S. Cueli