Patents by Inventor Donald E. Westerhof

Donald E. Westerhof 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 PH19V
    Patent number: 5948957
    Abstract: An inbred maize line, designated PH19V, the plants and seeds of inbred maize line PH19V, methods for producing a maize plant, either inbred or hybrid, produced by crossing the inbred maize line PH19V with itself or with another maize plant, and hybrid maize seeds and plants produced by crossing the inbred line PH19V with another maize line or plant.
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: September 7, 1999
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Louis Brian Chapko, Donald E. Westerhof
  • Inbred maize line phap8
    Patent number: 5569818
    Abstract: An inbred maize line, designated PHAP8, the plants and seeds of inbred maize line PHAP8, methods for producing a maize plant produced by crossing the inbred line PHAP8 with itself or with another maize plant, and hybrid maize seeds and plants produced by crossing the inbred line PHAP8 with another maize line or plant.
    Type: Grant
    Filed: January 31, 1995
    Date of Patent: October 29, 1996
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Louis B. Chapko, Donald E. Westerhof, David S. Ertl