Number | Name | Date | Kind |
---|---|---|---|
3862580 | Pulles | Jan 1975 | |
4109990 | Waldron | Aug 1978 | |
4152039 | Shah | May 1979 | |
4239314 | Anderson et al. | Dec 1980 | |
4359254 | Gallusser et al. | Nov 1982 | |
4359255 | Gallusser et al. | Nov 1982 | |
4362349 | Gallusser et al. | Dec 1982 | |
4389081 | Gallusser et al. | Jun 1983 | |
4462653 | Flederbach et al. | Jul 1984 |
Entry |
---|
DME Standard Collapsible Cores (advertisement, source and date (if published) not known. |