Patents by Inventor Minoru Hiramoto

Minoru Hiramoto 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).

  • Reversible plow
    Patent number: 4020908
    Abstract: A reversible plow comprising a regulating frame, a plow body attached to the regulating frame, a reversing rod rotatably attached to the regulating frame and connected to the plow body, and a fixing member supported by said regulating frame. The reversible plow further comprises a fixing plate provided on the regulating frame, an engaging plate capable of engaging with said fixing plate rotatably supported by the regulating frame, and a handle provided on said engaging plate.
    Type: Grant
    Filed: December 18, 1975
    Date of Patent: May 3, 1977
    Assignee: Matsuyama Plow Mfg. Co., Ltd.
    Inventors: Makoto Kobayasi, Minoru Hiramoto