04779514 is referenced by 19 patents and cites 11 patents.

A modular, portable building unit susceptible to air transport and including a roof, foldable side walls and foldable end walls having the same width as the height of the side walls. Three of the modular building units can be interfitted to form a building having four times as much floor space as the single modular building unit. The inclusion of a floor in the modular building unit is optional.

Title
Portable building
Application Number
7/63682
Publication Number
4779514
Application Date
June 19, 1987
Publication Date
October 25, 1988
Inventor
Vernon L Prigmore
Alva
OK, US
Phillip M Prigmore
Alva
OK, US
Agent
Laney Dougherty Hessin & Beavers
Assignee
Miracle Enterprises
OK, US
IPC
E04H 1/12
View Original Source