United States Patent 3395489
Publication Date:
08/06/1968
International Classes:
E04H17/14; E04H17/16
US Patent References:
| 2855037 | Portable wall or panel structures and means for supporting same | | | |
| 2873094 | Fence assembly with panels | | | |
| 3300900 | Pivotal door construction and method | | | |
| 3304683 | Wall structure | | | |