Patents by Inventor Martha J. Shafer

Martha J. Shafer 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).

  • Water based aerosol coatings
    Patent number: 4518734
    Abstract: Water based aerosol coatings which comprise water reducible resin, dimethylether, water and water soluble solvent are described. The improved water reducible aerosol coatings can be cleaned up with water, have high gloss, are non-flammable and contain no aromatic hydrocarbons such as toluene or xylene.
    Type: Grant
    Filed: June 22, 1981
    Date of Patent: May 21, 1985
    Assignee: Rust-Oleum Corporation
    Inventors: Bruce R. Brouillette, Martha J. Shafer