Number | Name | Date | Kind |
---|---|---|---|
3908441 | Virloget | Sep 1975 | |
3985133 | Jenkins et al. | Oct 1976 | |
4280495 | Lampert | Jul 1981 | |
4366384 | Jensen | Dec 1982 | |
4533350 | Danby et al. | Aug 1985 | |
4566337 | Smart | Jan 1986 | |
4673820 | Kamen | Jun 1987 | |
4681569 | Coble et al. | Jul 1987 | |
4703314 | Spani | Oct 1987 | |
4718896 | Arndt et al. | Jan 1988 | |
4733095 | Kurahaski et al. | Mar 1988 | |
4784643 | Siretchi et al. | Nov 1988 | |
4788444 | Williams | Nov 1988 |
Entry |
---|
Drop Detector, IBM Technical Bulletin, vol. 12, No. 5, Oct. 1969, E. R. Ellenwood. |