| 2785866 | Machine for wrapping concrete containers with wire | |||
| 2802328 | Cable making machine | |||
| 2964252 | Control system | |||
| 2973911 | Methods of handling wire | |||
| 2988292 | Method and apparatus for spooling wire | |||
| 3052419 | Means for winding wire in making prestressed bevel-end concrete pipe | |||
| 3101179 | Control system for ball winding machine |
| CH339958A |