Title:
Embedded spaced truss structures
United States Patent 3347007
Inventors:
Hale, Jesse R.
Publication Date:
10/17/1967
Other Classes:
52/637, 52/649.100, 52/378, 52/565, 52/649.200, 52/600, 52/649.700
International Classes:
E04B1/19; E04C2/34; E04C5/06; E04C5/01
US Patent References:
| 3258891 | Lightweight prefabricated structural element | | | |