Patents by Inventor Henry Linschitz

Henry Linschitz 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).

  • Oxygen indicator for packaging
    Patent number: 4526752
    Abstract: A tamper-resistant package containing in an anerobic environment a leuco dye free of reducing agent which dye becomes colored upon reaction with oxygen.
    Type: Grant
    Filed: December 16, 1982
    Date of Patent: July 2, 1985
    Inventors: Daniel Perlman, Henry Linschitz