Patents by Inventor John R. Pollock

John R. Pollock 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).

  • Vine pruning means and method
    Patent number: 4206585
    Abstract: A vehicle has a main frame which is adjustable for height, and a swivel frame pivoted to the main frame. There are at least three driven saws on the frames, and at least one of those is on the swivel frame. The saws are arranged to cut canes which extend respectively upwardly, outwardly and inwardly of a vine which is carried on a trellis wire.
    Type: Grant
    Filed: August 18, 1978
    Date of Patent: June 10, 1980
    Inventor: John R. Pollock