| Number | Date | Country | Kind |
|---|---|---|---|
| 2048573 | Jul 1995 | GBX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 3502825 | Bailey et al. | Mar 1970 | |
| 3674953 | Brevick | Jul 1972 | |
| 4825020 | Rao et al. | Apr 1989 |
| Entry |
|---|
| Switchcraft .COPYRGT.1989; Slide Switches--Item Nos. 49331L and 50209L, pp. 4-6. |
| Chicago Switch, Inc. Catalog 7708, Slide Switch--Item No. 43-300-221/223/224, p. 10. |