| Number | Date | Country | Kind |
|---|---|---|---|
| 7-014180 | Jan 1995 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4498143 | Strezelecki | Feb 1985 | |
| 5187480 | Thomas et al. | Feb 1993 | |
| 5319386 | Gunn et al. | Jun 1994 | |
| 5384700 | Lim et al. | Jan 1995 | |
| 5524191 | Storisteanu et al. | Jun 1996 | |
| 5586198 | Lakritz | Dec 1996 |
| Number | Date | Country |
|---|---|---|
| 0196355 | Oct 1986 | EPX |
| Entry |
|---|
| "Die Siemens-Losung OI-CPE," Siemens Magazine, COM Apr. 1987, p. 29-31. |
| "Drag, Drop, Done," Funkschau, 20/1993, p. 99. |