ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,731, issued on Aug. 12.
"Black nitrogen-a milk-based fertilizer composition with a soluble coal dust ingredient" was invented by William Robert Selkirk Jr. (Cambridge City, Ind.), Rebecca Sue Selkirk (Cambridge City, Ind.), Michael Brown (Carmel, Ind.) and Jennifer Xiaoyu Xu Brown (Carmel, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fertilizer composition and method to produced based on milk which comes from ruminant animals like cows and goats and adding a coal dust component. The previous or past milk-based fertilizers have had poor efficacy obtained due to the high fat content of these milk sources due to using too much milk, or rather ...