| Number | Name | Date | Kind |
|---|---|---|---|
| D317501 | Cheung et al. | Jun 1991 | |
| 4960126 | Conlon et al. | Oct 1990 | |
| 5007704 | McCartney | Apr 1991 | |
| 5066859 | Karkar et al. | Nov 1991 | |
| 5069214 | Samaras et al. | Dec 1991 |
| Entry |
|---|
| The Nonin Medical, Inc. advertisement (date unknown). |
| The Palco Labs advertisement (date unknown). |
| The Nellcor Incorporated advertisement (date unknown). |
| The Siemens advertisement (date unknown). |
| The Minolta (AMCO) advertisement (date unknown). |