4. Metal working
  5. Method of mechanical manufacture
  6. Assembling or joining

Ewald A. Oppmann

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Die and method for assembling metal spool having high torque...

Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate

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Die for assembling metal spool having high torque...

Metal working – Means to assemble or disassemble – Overedge assembling means
Reexamination Certificate

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Metal spool having high torque transmitting capacity between...

Winding – tensioning – or guiding – Coil holder or support – Spool or core
Reexamination Certificate

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Wooden spool held together with novel tie rod assembly and...

Winding – tensioning – or guiding – Coil holder or support – Spool or core
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2030495

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