Number | Name | Date | Kind |
---|---|---|---|
2893204 | Colley | Jul 1954 | |
3122249 | Dempster et al. | Feb 1964 | |
3122250 | French et al. | Feb 1964 | |
3130845 | French et al. | Apr 1964 | |
3130846 | Wender | Apr 1964 | |
3138275 | Dempster et al. | Jun 1964 | |
3827587 | Liberman et al. | Aug 1974 | |
3882759 | Formwalt et al. | May 1975 | |
4034649 | Harvey et al. | Jul 1977 | |
4192222 | Dits | Mar 1980 | |
4349305 | Wynn et al. | Sep 1982 | |
4527461 | Ogura | Jul 1985 | |
4547118 | Pittenger | Oct 1985 |
Entry |
---|
E. Lennemann, IBM Technical Disclosure Bulletin, Linear Motor for Positioning and Servo Control, Mar. 1973, vol. 15, No. 10, pp. 3270-3271. |