Number | Date | Country | Kind |
---|---|---|---|
3506897 | Feb 1985 | DEX | |
3522239 | Jun 1985 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2159969 | Furst | May 1939 | |
2383537 | Elvin et al. | Aug 1945 | |
2407545 | Fish | Sep 1946 | |
2809519 | Kaestner | Oct 1957 | |
3005332 | McClintock | Oct 1961 | |
3206972 | Brys | Sep 1965 | |
3376738 | Biffle | Apr 1968 | |
3771346 | Huslin, Jr. | Nov 1973 | |
3880001 | Hogan | Apr 1975 | |
4182167 | Nokoyama et al. | Jan 1980 | |
4182169 | Bardy | Jan 1980 |
Number | Date | Country |
---|---|---|
1075095 | Apr 1980 | CAX |
133079 | Apr 1933 | DE2 |
782015 | Aug 1957 | GBX |
1330592 | Sep 1973 | GBX |
398843 | Sep 1973 | SUX |
609988 | Jun 1978 | SUX |
Entry |
---|
"Magnetic Fluid Seals"; Laser Focus Magazine, Apr. 1979; 4 page reprint of pp. 56-63; Kuldip Raj et al. |
"Tension Sensor for Flexible Media"; IBM Technical Disclosure Bulletin; vol. 15, No. 7, pp. 2257-2258; M. L. Nettles. |