ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,631, issued on June 3.
"Black nitrogen-a milk-based fertilizer composition with coal dust" was invented by William Robert Selkirk Jr. (Cambridge City, Ind.) and Rebecca Sue Selkirk (Cambridge City, 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 too much fat in the milk, since the bacteria in the composition will spoil and result in a fou...