4. Supports
  5. Pipe or cable
  6. Brackets

William D. Caldwell

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Apparatus for preventing coronal discharge

Electricity: conductors and insulators – Insulators – Combined
Reexamination Certificate

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Apparatus for preventing coronal discharge

Electricity: conductors and insulators – Insulators – Combined
Patent

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Auxiliary cable attachment

Supports – Pipe or cable – Brackets
Patent

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Locking system for a door

Locks – Portable – Padlocks
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1689093

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