Patents by Inventor Louis DeMatteo, Jr.

Louis DeMatteo, Jr. 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).

  • Windshield cleaning solvent
    Patent number: 4152306
    Abstract: A windshield cleaning solvent composition is provided, consisting essentially of water, alkali metal phosphate having in a 1% aqueous solution a pH of at least 10, sodium alkylbenzenesulfonate having 1 to 3 alkyl groups with a total of 1 to 17 carbon atoms in the alkyl groups, and alkoxyalkanol in certain proportions.
    Type: Grant
    Filed: April 11, 1978
    Date of Patent: May 1, 1979
    Assignee: LDMJ Limited
    Inventor: Louis DeMatteo, Jr.