|
| US3989038 | 15. Dez. 1975 | 2. Nov. 1976 | | Fetal electrode and biopsy device |
| US4058128 | 26. Aug. 1976 | 15. Nov. 1977 | | Electrode |
| US4157710 | 13. Febr. 1978 | 12. Juni 1979 | | Abdominal electrode for fetal monitoring |
| US4244375 | 7. Febr. 1979 | 13. Jan. 1981 | Hoffmann-La Roche Inc. | Transcutaneous electrode with finger operative attachment assembly |
| US4254764 | 1. März 1979 | 10. März 1981 | | Clip electrode |
| US4640290 | 25. Apr. 1985 | 3. Febr. 1987 | Westinghouse Electric Corp. | Shielded, self-preparing electrode suitable for electroencephalographic mapping |
| US4892105 | 11. Jan. 1988 | 9. Jan. 1990 | The Cleveland Clinic Foundation | Electrical stimulus probe |
| US5168876 | 26. Febr. 1991 | 8. Dez. 1992 | American Home Products Corporation | Connector device for use in monitoring fetal heart rate |
| US5199432 | 30. Okt. 1990 | 6. Apr. 1993 | American Home Products Corporation | Fetal electrode product for use in monitoring fetal heart rate |
| US5205288 | 7. Okt. 1991 | 27. Apr. 1993 | American Home Products Corporation | Fetal electrode product with female socket connector and connector device with male plug connector each for use in monitoring fetal heart rate |
| US5284141 | 31. Juli 1992 | 8. Febr. 1994 | | Electrode emplacement apparatus for amniotomy and fetal monitoring and method of use |
| US5314462 | 27. Mai 1992 | 24. Mai 1994 | Cardiac Pacemakers, Inc. | Positive fixation device |
| US5373843 | 24. Dez. 1992 | 20. Dez. 1994 | Corometrics Medical Systems, Inc. | Connector device for use in monitoring fetal heart rate |
| US5388579 | 23. Sept. 1993 | 14. Febr. 1995 | Graphic Controls Corporation | Fetal electrode product with channeled drive mechanism and improved torque characteristics |
| US5425756 | 29. Dez. 1993 | 20. Juni 1995 | Cardiac Pacemakers, Inc. | Positive fixation device |
| US5514174 | 3. Febr. 1995 | 7. Mai 1996 | Cardiac Pacemakers, Inc. | Positive fixation device |
| US5632274 | 6. Dez. 1994 | 27. Mai 1997 | Corometrics Medical Systems | Connection arrangement for monitoring fetal heart rate |
| US5671736 | 17. Okt. 1995 | 30. Sept. 1997 | Graphic Controls Corporation | Fetal electrode product with easy-to-handle connector |
| US6306100 | 16. Dez. 1998 | 23. Okt. 2001 | | Intraoperative neurophysiological monitoring system |
| US7214197 | 6. Nov. 2001 | 8. Mai 2007 | | Intraoperative neurophysiological monitoring system |
| US7310546 | 26. Mai 2006 | 18. Dez. 2007 | | Artifact detection electrode |
| USRE28990 | 6. Febr. 1975 | 5. Okt. 1976 | Corometrics Medical Systems, Inc. | Bipolar electrode structure for monitoring fetal heartbeat and the like |