US Patent Issued to Vaderstad Holding on March 31 for "Furrow opener, row unit and agricultural implement, and method of manufacturing and assembly thereof" (Swedish Inventor)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,581, issued on March 31, was assigned to Vaderstad Holding AB (Vaderstad, Sweden).

"Furrow opener, row unit and agricultural implement, and method of manufacturing and assembly thereof" was invented by Morgan Collin (Mjolby, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A seed furrow opener comprises a seed furrow opener arm, and a pair of seed discs rotatively connected to the seed furrow opener arm via at least one shaft. Geometrical rotational axes of the respective seed discs are non-parallel to each other, making a mutual distance between the peripheries of the seed discs non-constant. The seed furrow opener arm has a continuous cut-ou...