Apr 21, 2026, 7:00 AMaccessnewswire.comSIGL
Signal Advance Inc. (OTC:SIGL) Secures Second Major Patent, Strengthening Analog Guard(R) AI and Quantum-Resistant Encryption Platform
Company announcements
ROSHARON, TX / ACCESS Newswire / April 21, 2026 / Signal Advance, Inc. (OTCID:SIGL), a cybersecurity innovator focused on next-generation, physics-based encryption, today announced the issuance of its second major U.S. patent, further strengthening its Analog Guard® platform and expanding its leadership in physics-based AI and quantum-resistant cybersecurity. Expands Multi-Key, Cascaded Architecture, Deepening IP Moat Across Global Cybersecurity Markets The new U.S. Patent No.
