ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,585, issued on March 31, was assigned to ECHO Inc. (Lake Zurich, Ill.).
"Vegetation cutting apparatus" was invented by Fernando Iacona (Paradise Valley, Ariz.), Joseph John Zenkus (Lake in the Hills, Ill.) and Ryan Garrett (Buffalo Grove, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The combination of: a cutting head having a spool on which at least one cutting element is located and configured to be driven around an operating axis by a rotary drive to which the cutting head is coupled; and a coupling system with a core and a first adaptor assembly releasably joinable to each other and the spool. The core is keyed directly to the spool. The ...