On September 30, 1958, U.S. Patent No. D183613 issued to Kenneth E. Joy, on an inflatable building:

He improved the design and received a second patent (U.S. Patent No. D187690) less than two years later:

From the late 1950’s to the late 1970’s, the world of Architecture was fascinated by the idea of inflatable buildings, for radomes to protect radar installations, pool enclosures, lunar habitats, green houses, and as Mr. Joy was proposing, exhibition halls.