Patents by Inventor Steven W. Tollakson

Steven W. Tollakson 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).

  • Inbred maize line PH38B
    Patent number: 5608140
    Abstract: An inbred maize line, designated PH38B, the plants and seeds of inbred maize line PH38B, methods for producing a maize plant produced by crossing the inbred line PH38B with itself or with another maize plant, and hybrid maize seeds and plants produced by crossing the inbred line PH38B with another maize line or plant.
    Type: Grant
    Filed: September 5, 1995
    Date of Patent: March 4, 1997
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Peter D. Coaldrake, Steven W. Tollakson