Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671530 | Positioning method for pulse oximetry fetal sensor | Christopher Chung | 2003-12-30 |
| 6370409 | Positioning method for pulse oximetry fetal sensor | Christopher Chung | 2002-04-09 |
| 5961452 | Positioning method for pulse oximetry fetal sensor | Christopher Chung | 1999-10-05 |
| 5743260 | Fetal pulse oximetry apparatus and method of use | Christopher Chung | 1998-04-28 |
| 5247932 | Sensor for intrauterine use | Christopher Chung, Eric T. Johansson, Carl Ritson, Paul D. Mannheimer | 1993-09-28 |
| 5228440 | Fetal pulse oximetry apparatus and method of use | Christopher Chung | 1993-07-20 |