Patents by Inventor Melvin A. Neuhaus

Melvin A. Neuhaus 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).

  • Ink remover
    Patent number: 4145226
    Abstract: A water-miscible ink remover comprising a glycol ether, isopropyl acetate, and a liquid surfactant soluble in hydrocarbons.
    Type: Grant
    Filed: September 30, 1977
    Date of Patent: March 20, 1979
    Inventor: Melvin A. Neuhaus