Intellectual Property, Ownership & Trademark Notice

All designs, drawings, and related intellectual property are solely owned by Yonatan Zvi Margalit, Sole Inventor. Certain features are protected by patents granted and pending; additional proprietary features remain confidential and are the subject of ongoing patent applications.

This body of work reflects continuous proprietary development, refinement, and commercialization activities conducted solely by Yonatan Zvi Margalit over approximately 84 months (7 years), commencing no later than January 2017. Public disclosure of certain design features occurred on June 14, 2025, via www.portalwall.com. This disclosure is made with reference to and in reliance upon the inventor’s grace period rights under 35 U.S.C. § 102(b)(1)(A), which allows for a one-year period to file patent applications in the United States following public disclosure by the inventor.

PortalWall® is a registered trademark of Yonatan Zvi Margalit (Reg. No. 7,797,165 — United States Patent and Trademark Office, Registered May 13, 2025), covering Class 6: Building wall framing made primarily of metal.

Unauthorized use, reproduction, or disclosure is strictly prohibited.

© 2017–2025 Yonatan Zvi Margalit. All Rights Reserved.