ALEXANDRIA, Va., June 9 -- United States Patent no. 12,648,969, issued on June 9, was assigned to BIOSTEM TECHNOLOGIES INC. (Pompano Beach, Fla.).

"Sterile human placental allografts and methods of making thereof" was invented by Jason V Matuszewski (Boca Raton, Fla.) and Wendy W Weston (Coral Springs, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of preparing sterile human placental allografts by providing a human placental tissue from a donor within 24 hours to 72 hours post-childbirth; removing any visible blood, blood clots, and/or blood components from the human placental tissue without scraping or scrubbing the human placental tissue to preserve structural integrity of the human placenta...