| 1858418 | Tool | |||
| 1998518 | Tubular joint | |||
| 2062986 | Wire connecting sleeve | |||
| 2149209 | Wire connecting sleeve | |||
| 2229758 | Electrical connector | |||
| 2254416 | Compression tool | |||
| 2269285 | Strap joint | |||
| 2272244 | Sleeve and method of connecting a wire to same | |||
| 2276571 | Splicing method | |||
| 2307216 | Connector | |||
| 2327650 | Wire connecting sleeve | |||
| 2327683 | Wire holding device |
| IT331078B | ||||
| DE507655C |