Paragon Technologies Issues Letter to Rubicon Technology Shareholders

EASTON, PA / ACCESSWIRE / April 27, 2022 /To Shareholders of Rubicon Technology:As many of you may know, Paragon Technologies, Inc. (OTC:PGNT), ("Paragon"), has been a shareholder of Rubicon Technology (NASDAQ: RBCN), ("Rubicon") for more than five …