ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,579, issued on April 29.

"Methods for independent memory bank maintenance and memory devices and systems employing the same" was invented by George B. Raad (Boise, Idaho), Jonathan S. Parry (Boise, Idaho), James S. Rehmeyer (Boise, Idaho) and Timothy B. Cowles (Boise, Idaho).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are memory devices, systems including memory devices, and methods of operating memory devices in which multiple counters are provided to permit memory refresh commands greater freedom in targeting subsets of the memory device for data refresh operations. In one embodiment, a memory device is provided, comprising a plur...