ZenaTech’s ZenaDrone Announces the Filing of a Patent for its Maritime Defense System Combining ZenaDrone 2000 ...
VANCOUVER, British Columbia, March 12, 2026 (GLOBE NEWSWIRE) -- ZenaTech, Inc. (Nasdaq: ZENA) (FSE: 49Q) (BMV: ZENA) ("ZenaTech"), a technology solution provider specializing in AI (Artificial Intelligence) drone, Drone as a Service (DaaS), …