Patents by Inventor Mario J. Maina

Mario J. Maina 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).

  • Synchronizer arrangements for stepped-ratio transmissions
    Patent number: 4185725
    Abstract: A synchronizer arrangement for bringing first and second rotary members of a stepped-ratio transmission, (for example a gearbox mainshaft and a constant-mesh gear that is rotatably mounted on the mainshaft) into rotary synchronism.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: January 29, 1980
    Assignee: General Motors Corporation
    Inventor: Mario J. Maina