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Author: Signal Advance, Inc.

Signal Advance Inc. (OTC:SIGL) Secures Second Major Patent, Strengthening Analog Guard(R) AI and Quantum-Resistant Encryption Platform

April 21, 2026
Signal Advance (OTCID: SIGL) Converts Rare 3-month U.S. Patent Victory for Analog Guard(R) into Rapidly Expanding Global IP Portfolio – As Quantum Threats Escalate Amid Large-Scale Collaborations

December 10, 2025