73107406
Nov 22, 1976
Sep 6, 1977
PORTABLE HOUSING SYSTEM COMPRISED OF A PACKAGE INCLUDING EXTERIOR WALLS, FLOOR, ROOF STRUCTURE, COMPLETE WIRING HARNESS, BATH CORE, AND HEATING AND AIR CONDITIONING SYSTEM, THE UNIT BEING ALL STEEL AND CONCRETE, COMPLETELY FINISHED AND SHIPPED KNOCKED DOWN
Nonmetallic Building Materials