Number | Name | Date | Kind |
---|---|---|---|
3152903 | Shepard et al. | Oct 1964 | |
3409438 | Lokken | Nov 1968 | |
3649275 | McNally, Jr. et al. | Mar 1972 | |
3672904 | DE Mauriac | Jun 1972 |
Number | Date | Country |
---|---|---|
788,279 | Jun 1972 | BE |
2,402,536 | Aug 1974 | DT |
1,399,751 | Jul 1975 | UK |
Entry |
---|
Research Disclosure, Oct. 1974, Item #12617. |