Patents by Inventor Mark J. Howe

Mark J. Howe 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).

  • Patent number: 4294874
    Abstract: Storage stable coating compositions consist essentially of, on a film-forming solids basis, from about 15 percent to about 40 percent of an alkali metal or quaternary ammonium silicate and from about 60 percent to about 85 percent of a latex. The compositions are storage stable and are especially useful for the filling of low grade wood products.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: October 13, 1981
    Assignee: PPG Industries, Inc.
    Inventor: Mark J. Howe