 ROSELAND, N.J., Jan. 20, 2021 GLOBE NEWSWIRE -- Milestone Scientific Inc. NYSE American:MLSS, a leading developer of computerized drug delivery instruments that provides virtually painless and precise injections, today announced that it has received a Notice of Allowance from the United States Patent and Trademark Office USPTO for a patent relating to the disposable component of Milestones CompuFlo Instrument. 