Patents by Inventor Arnold B. Mutzenberg

Arnold B. Mutzenberg 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).

  • Needled fiber mat containing granular agent
    Patent number: 4250172
    Abstract: At least two layers of fibrous mat have a layer of granular agent therebetween and are mechanically interlocked by means of needling.
    Type: Grant
    Filed: February 9, 1979
    Date of Patent: February 10, 1981
    Inventors: Arnold B. Mutzenberg, Hans P. Hausheer