Number | Name | Date | Kind |
---|---|---|---|
1905176 | Kieckhefer | Apr 1933 | |
3269125 | Moore | Aug 1966 | |
3561219 | Nishizawa et al. | Feb 1971 | |
4530622 | Mercer | Jul 1985 | |
4619560 | Crinnion et al. | Oct 1986 |
Entry |
---|
Reinforced Earth.RTM., Technical brochure, 16 pages (1982). |
Geoweb.TM. Technical brochure, 14 pages (1964). |