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Author Unknown, “Keeton Seed Firmer”, Brochure of J & K Enterprises, 1994, 2 pages. |
Author Unknown, “Keeton Seed Firmer”, Precision Planting, at least as early as Apr. 9, 2001, 4 pages. |
Author Unknown, “Seed to Soil Inforcer”, Seed Flap, Spring 1995, 1 page. |
Author Unknown, “Tube Alignment Brackets”, M & J Cotton Farms, Inc., at least as early as Oct. 30, 1995, 1 page. |
Author Unknown, “We Know It's All About Strong Roots”, Yetter Profitable Solutions, at least as early as Dec. 21, 2007, 1-27. |
Finck, Charlene, “Put seed in its place”, Farm Journal (Jan. 1995), 3 pages. |