ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,416, issued on Jan. 28, was assigned to Marvell Asia Pte Ltd (Singapore).

"Block acknowledgment operation" was invented by Liwen Chu (San Ramon, Calif.), Ken Kinwah Ho (San Jose, Calif.), Hongyuan Zhang (Fremont, Calif.) and Hui-Ling Lou (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A first communication device transmits first bitmap length capability information for the first communication device regarding block acknowledgment procedures, and receives second bitmap length capability information for a second communication device regarding block acknowledgment procedures. The first communication device performs a block acknowledgm...