On July 22, 1969, Daon Parry and Thomas J. Walters received U.S. Patent No. D214725 on a building:

This building was actually built by Architect/Inventor Walters in Scarsdale, New York, in 1969, the year the patent issued, and was for many years the European Health Spa. It was abandoned for several years and apparently was demolished in 2001. Walters work, however, survives in the patent collection: