4. Stock material or miscellaneous articles
  5. Composite
  6. Of bituminous or tarry residue

Thomas W. Urbanek

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An acrylic based composition/asphaltic roofing laminate

Stock material or miscellaneous articles – Composite – Of bituminous or tarry residue
Patent

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Proppants and their manufacture

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2001418

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