The United States Patent and Trademark Office (USPTO) has registered trademark application TM75167821 for VSI, which pertains to a helmet or head-mounted display system. The system includes display optics, an image source, electronic tracker transducer, graphics processor/video hardware and software, tracking hardware and software, and associated cable connections, all designed to enable the wearer to track, cue, and verify target locations and positions.

This registration signifies the formal granting of trademark protection for VSI's described technology. While this is a registration of a trademark and not a new regulation, companies operating in the computing and electronics sector, particularly those developing head-mounted display systems, should be aware of existing trademarks to avoid infringement. The filing date was September 18, 1996, and the registration date is March 25, 2026.