|
US950280A
|
|
Manufacture of deep-flange sections.
|
|
US904189A
|
|
Manufacture of compound tubes.
|
|
US706811A
|
|
Machine for drilling rivet-holes in wheel-hubs.
|
|
US704178A
|
|
Metallic-hub-drilling machine.
|
|
US698189A
|
|
Machine for drilling rivet-holes in metallic wheel-fellies.
|
|
US701694A
|
|
Machine for drilling spoke-holes in metallic wheel-fellies.
|
|
US701693A
|
|
Method of heating mandrels for rolling tubes.
|
|
US697079A
|
|
Metallic wheel.
|
|
CA71081A
|
|
Compound metal tubes
|
|
US627992A
|
|
Compound metal tube.
|
|
CA17567A
|
|
Compound railroad rail
|
|
CA42303A
|
|
Metal tubes
|
|
CA32278A
|
|
Metallic wheel
|
