ALEXANDRIA, Va., June 18 -- United States Patent no. RE50,454, issued on June 10.
"Net wrap recovery device" was invented by John Herman Callahan (Mulberry, Ark.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A net wrap recovery device that removes net wrap from large round bales of hay attached to commercial hay bale unrollers using one or more pins. The Net Wrap Removal Device mechanically automates the unwrapping of polymeric hay bale wrapping from a wrapped hay bale in one piece quickly and with a minimum of effort. The embodiments then allow the operator to simultaneously gather and store the net wrap on a disposable spool without dismounting from the tractor seat or leaving the operator station. The di...