| Number | Name | Date | Kind |
|---|---|---|---|
| D. 303247 | Brownlie | Sep 1989 | |
| 4303296 | Spaulding | Dec 1981 | |
| 5606489 | Heidorn et al. | Feb 1997 |
| Number | Date | Country |
|---|---|---|
| 44 10 171 C1 | Apr 1995 | DE |
| 196 15 093 A1 | Oct 1997 | DE |
| Entry |
|---|
| Color photographs of prior art Terminal Block (5 photographs, 3 sheets), no date avail. |