TRIGGERING EVENTS OCTOBER & NOVEMBER 2025

Regarding U.S. Patent No. 10,329,758 and PortalWall®.

I, Yonatan Zvi Margalit, hereby publicly affirm that I am the sole inventor, author, and rights holder of all intellectual property associated with PortalWall®, Latent Energy Aloft™, Water Vapor Aloft™, and all related scientific, structural, thermodynamic, and design systems. I have never transferred, assigned, conveyed, licensed, sold, authorized, or permitted any individual, company, investor, organization, intermediary, or third party to hold, manage, negotiate, represent, or exercise any rights in this intellectual property, in whole or in part, at any time.​

I have never appointed any agent or representative to act on my behalf in any intellectual property matter. All rights remain exclusively mine, and any suggestion or implication of conveyance, assignment, or shared ownership is false.

Yonatan Zvi Margalit holds exclusive patent rights (US 10,329,758 B2) to an innovative window wall assembly system featuring our Within-Wall™ Cavity technology integrated within our PortalWall® Construct. This patented system encompasses a comprehensive architectural solution that creates a controlled cavity space between an insulated structural panel and an exterior architectural fascia panel, incorporating advanced moisture management, thermal performance, and structural integrity features. Our intellectual property protects the parts and the complete assembly, including the unique fastening systems, air and water management channels, U-shaped receptor and sill configurations, and the distinctive dry-side structural reinforcement with perpendicular airflow capabilities that define this next-generation building envelope system.