Number | Name | Date | Kind |
---|---|---|---|
3392432 | Naumann | Jul 1968 | |
3457900 | Drexler | Jul 1969 | |
3543720 | Drexler et al. | Dec 1970 | |
3641980 | Bickmore | Feb 1972 | |
3654902 | Hakanson | Apr 1972 | |
3724422 | Latone et al. | Apr 1973 | |
3881446 | Kurita et al. | May 1975 | |
3908595 | Okada | Sep 1975 |
Entry |
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IBM Technical Disclosure Bulletin; vol. 14, No. 9, Feb. 1972, pp. 2787-2788; Magnet Configuration for Magnetic Brush Developer; Hoekzema, R. J. |
IBM Technical Disclosure Bulletin; vol. 2, No. 2, Aug. 1959, Development of Electrostatic Images; Medley, H. C. |