Patents by Inventor Andre M. J. Spolidor

Andre M. J. Spolidor 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).

  • Method of connecting a manganese steel part to another carbon steel part and assembly thus obtained
    Patent number: 5304777
    Abstract: A method of connecting a manganese steel part to another carbon steel part including the steps of depositing an austeno-ferritic stainless steel at the end of a carbon steel part and welding the latter provided at its end with the deposit to a manganese steel part, the method being applicable to assembling a rail to a common crossing railway track part.
    Type: Grant
    Filed: April 24, 1992
    Date of Patent: April 19, 1994
    Assignee: Manoir Industries
    Inventors: Fernand Pons, Andre M. J. Spolidor, Daniel L. Seillier