Number | Name | Date | Kind |
---|---|---|---|
3056962 | Johnson et al. | Oct 1962 | |
3187317 | Smith, Jr. | Jun 1965 | |
3337852 | Lee et al. | Aug 1967 | |
3634836 | Huetten et al. | Jan 1972 | |
3772666 | Scholz et al. | Nov 1973 | |
3864747 | Pejcha | Feb 1975 | |
4058844 | Dirks | Nov 1977 | |
4270154 | Crawford | May 1981 | |
4280157 | Herman et al. | Jul 1981 | |
4318145 | Frandsen | Mar 1982 | |
4331990 | Frandsen | May 1982 | |
4359762 | Stollorz | Nov 1982 | |
4423448 | Frandsen | Dec 1983 | |
4577240 | Hedberg et al. | Mar 1986 | |
4703379 | Bogdanski | Oct 1987 | |
4754352 | Iwafa | Jun 1988 | |
4829396 | Okutsu | May 1989 | |
4890174 | Chalmers et al. | Dec 1989 | |
4914369 | Cordovi | Apr 1990 | |
5081552 | Glaser et al. | Jan 1992 |
Number | Date | Country |
---|---|---|
59-72680 | Apr 1984 | JPX |
Entry |
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Electronic Engineering Times "Winchester Disk Drives" Clements, Feb. 25, 1985, Issue 318, pp. 53, 56, 58, 59, 60, 62, 63, 65. |