Patents by Inventor Margareta Antonescu

Margareta Antonescu 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).

  • Portable Magnetic Hardness Tester
    Publication number: 20080141763
    Abstract: The portable magnetic hardness tester support assembly is made for testing the hardness of small or large ferrous metallic specimens. The hardness tester is made up of a hardness tester head which uses the standard test method for Rockwell hardness testing and of a magnet, the two of which are held together by a nonmagnetic support body. The portable magnetic hardness tester attaches to the specimen through the magnetic force generated by the magnet.
    Type: Application
    Filed: June 3, 2007
    Publication date: June 19, 2008
    Inventor: Margareta Antonescu