4. Electricity: conductors and insulators
  5. Underground

Williamette Valley Company

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Apparatus and method for protecting underground cables

Electricity: conductors and insulators – Underground
Patent

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Method for restoring used railroad ties and the restored...

Stock material or miscellaneous articles – Patched hole or depression
Reexamination Certificate

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Polymers derived from low unsaturation polyamines

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1288691

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