Patents by Inventor Mark A. Terpstra

Mark A. Terpstra 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).

  • Process for controlling cyst nematode population in soybeans
    Patent number: 7572959
    Abstract: A method of controlling cyst nematode population in soybeans by providing a blended composition of soybean varieties. At least one of the soybean varieties in the blend has resistance to a given race spectrum, while another of the soybean varieties in the blend may have resistance to a differing race spectrum or be a susceptible variety. The blend may include 10 to 90% of the first variety and 90 to 10% of the second variety. The blend may consist of three or more soybean varieties.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: August 11, 2009
    Assignee: Mark Seed Company
    Inventor: Mark A. Terpstra
  • Process for controlling cyst nematode population in soybeans
    Patent number: 7547823
    Abstract: A method of controlling cyst nematode population in soybeans by providing a blended composition of soybean varieties. At least one of the soybean varieties in the blend has resistance to a given race spectrum, while another of the soybean varieties in the blend may have resistance to a differing race spectrum or be a susceptible variety. The blend may include 10 to 90% of the first variety and 90 to 10% of the second variety. The blend may consist of three or more soybean varieties.
    Type: Grant
    Filed: June 8, 2007
    Date of Patent: June 16, 2009
    Inventor: Mark A. Terpstra
  • Process for Controlling Cyst Nematode Population in Soybeans
    Publication number: 20070250944
    Abstract: A method of controlling cyst nematode population in soybeans by providing a blended composition of soybean varieties. At least one of the soybean varieties in the blend has resistance to a given race spectrum, while another of the soybean varieties in the blend may have resistance to a differing race spectrum or be a susceptible variety. The blend may include 10 to 90% of the first variety and 90 to 10% of the second variety. The blend may consist of three or more soybean varieties.
    Type: Application
    Filed: June 14, 2007
    Publication date: October 25, 2007
    Inventor: Mark TERPSTRA
  • Process for Controlling Cyst Nematode Population in Soybeans
    Publication number: 20070234436
    Abstract: A method of controlling cyst nematode population in soybeans by providing a blended composition of soybean varieties. At least one of the soybean varieties in the blend has resistance to a given race spectrum, while another of the soybean varieties in the blend may have resistance to a differing race spectrum or be a susceptible variety. The blend may include 10 to 90% of the first variety and 90 to 10% of the second variety. The blend may consist of three or more soybean varieties.
    Type: Application
    Filed: June 8, 2007
    Publication date: October 4, 2007
    Inventor: Mark Terpstra
  • Process for controlling cyst nematode population in soybeans
    Patent number: 7241938
    Abstract: A method of controlling cyst nematode population in soybeans by providing a blended composition of soybean varieties. At least one of the soybean varieties in the blend has resistance to a given race spectrum, while another of the soybean varieties in the blend may have resistance to a differing race spectrum or be a susceptible variety. The blend may include 10 to 90% of the first variety and 90 to 10% of the second variety. The blend may consist of three or more soybean varieties.
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: July 10, 2007
    Assignee: Mark Seed Company
    Inventor: Mark A. Terpstra
  • Process for controlling cyst nematode population in soybeans
    Publication number: 20030221227
    Abstract: A method of controlling cyst nematode population in soybeans by providing a blended composition of soybean varieties. At least one of the soybean varieties in the blend has resistance to a given race spectrum, while another of the soybean varieties in the blend may have resistance to a differing race spectrum or be a susceptible variety. The blend may include 10 to 90% of the first variety and 90 to 10% of the second variety. The blend may consist of three or more soybean varieties.
    Type: Application
    Filed: March 21, 2003
    Publication date: November 27, 2003
    Inventor: Mark A. Terpstra