Patents by Inventor Sigmund Stokland

Sigmund Stokland 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).

  • Agricultural machine
    Patent number: 4303078
    Abstract: There is described a harvester-thresher comprising one or more rotatably-mounted threshing cylinders and at least one cutting device positioned so as to act upon harvested crop before substantial threshing thereof has occured.
    Type: Grant
    Filed: February 5, 1980
    Date of Patent: December 1, 1981
    Assignee: Retford Sheet Metal Limited
    Inventor: Sigmund Stokland