Donald Spector Receives Notice of Allowance for Revolutionary 3D Sound Patent in AR/VR Headsets

JUPITER, FL, UNITED STATES, August 2, 2025 /⁨EINPresswire.com⁩/ — The United States Patent and Trademark Office (USPTO) has granted a notice of allowance for patent application #18/213,404, developed by Donald Spector, a leading inventor …