Patents by Inventor Leon Malinowski

Leon Malinowski 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).

  • Cultivator shank
    Patent number: 4683958
    Abstract: A cultivator shank is adapted for mounting at one end on a cultivator frame and has an open C-shaped central section with its other end receiving a ground engaging tool. In between its ends, the shank tapers through a profile of changing sectional dimension so that its central section is deeper or thicker, in line with the direction of travel, than the dimension of the central section transverse to the direction of travel.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: August 4, 1987
    Assignee: Leon's Mfg. Co. Ltd.
    Inventors: Leon Malinowski, Kenneth Lange
  • Rotary rock picker
    Patent number: 4296818
    Abstract: A rock picking apparatus has a fork and reel assembly and a stone bucket. The reel assembly includes side plates supporting batts which are biased to an operative position by compression springs.
    Type: Grant
    Filed: April 10, 1979
    Date of Patent: October 27, 1981
    Assignee: Leon's Manufacturing Co., Ltd.
    Inventors: Leon Malinowski, Kenneth Lange