ALEXANDRIA, Va., March 19 -- United States Patent no. 12,250,897, issued on March 18, was assigned to Deere & Co. (Moline, Ill.).
"Removable roller with rotation indicator" was invented by Andrew W. Harmon (Davenport, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "One or more techniques and/or systems are disclosed for metering assembly for an agricultural seeder. The metering assembly can be configured for quick and easy removal and replacement, where merely the assembly is removed without disassembling other parts of the seeder system. An improved coupler, in conjunction with a threaded knob device, allows for quick and easy access to the assembly, for removal and replacement in a metering tube. A vis...