This application is a continuation-in-part of U.S. patent application Ser. No. 07/242,208 filed Sep. 9, 1988, now abandoned.
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1975437 | Sorrel et al. | Oct 1934 | |
2393541 | Kohler | Jan 1946 | |
3191132 | Mayer | Jun 1965 | |
3309633 | Mayer | Mar 1967 | |
3391846 | White | Jul 1968 | |
3451609 | Gillett | Jun 1969 | |
3461014 | James | Aug 1969 | |
3470046 | Verdin | Sep 1969 | |
3510619 | Leatherman | May 1970 | |
3548140 | O'Neill | Dec 1970 | |
3551223 | Deal et al. | Dec 1970 | |
3574031 | Heller, Jr. et al. | Apr 1971 | |
3709775 | James | Jan 1973 | |
3923580 | Leatherman | Dec 1975 | |
3945867 | Heller, Jr. et al. | Mar 1976 | |
4029837 | Leatherman | Jun 1977 | |
4035547 | Heller, Jr. et al. | Jul 1977 | |
4107506 | Pelegri | Aug 1978 | |
4223209 | Diaz | Sep 1980 | |
4228761 | Glover et al. | Oct 1980 | |
4256945 | Carter et al. | Mar 1981 | |
4347487 | Martin | Aug 1982 | |
4428790 | Diaz | Jan 1984 | |
4450023 | DeBlauwe | May 1984 | |
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4555422 | Nakamura et al. | Nov 1985 | |
4654511 | Horsma et al. | Mar 1987 | |
4675512 | Doucet et al. | Jun 1987 | |
4695713 | Krumme | Sep 1987 | |
4699743 | Nakamura et al. | Oct 1987 | |
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4862088 | Etienne et al. | Aug 1989 | |
4914267 | Derbyshire | Apr 1990 | |
5053595 | Derbyshire | Oct 1991 |
Number | Date | Country |
---|---|---|
41-2677 | Apr 1966 | JPX |
1076772 | Jul 1967 | GBX |
Entry |
---|
Brailsford, F., Magnetic Materials, 3rd Ed. (1960). |
Lee, E. W., Magnetism, An Introductory Survey, (1970). |
Murakami, K., IEEE Transactions on Magnetics, Jun. 1965, pp. 96-100. |
Smit, et al., Ferrites (1959) pp. 155-160. |
Number | Date | Country | |
---|---|---|---|
Parent | 242208 | Sep 1988 |