| Number | Date | Country | Kind |
|---|---|---|---|
| 97810120 | Mar 1997 | EPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D253940 | Bedel | Jan 1980 | |
| D283687 | Walser | May 1986 | |
| D339543 | Martin | Sep 1993 | |
| 4555000 | Umeda | Nov 1985 | |
| 4871992 | Peterson | Oct 1989 | |
| 4915197 | Schroder | Apr 1990 | |
| 4972926 | Tsuji et al. | Nov 1990 | |
| 5300728 | Kostka et al. | Apr 1994 | |
| 5821479 | Kondo et al. | Oct 1998 |
| Number | Date | Country |
|---|---|---|
| 2-123081 | May 1990 | JPX |
| 3-147685 | Jun 1991 | JPX |
| 2 241 090 | Aug 1991 | GBX |
| WO 9210421 | Jun 1992 | WOX |
| Entry |
|---|
| Entrada, Simply Braillient, Oct. 1996, The Elevator World Source 1996-1997 p. 215, USA. |