4. Earth boring, well treating, and oil field chemistry
  5. Earth boring
  6. Contains organic component

Dan M. DeLaRosa

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Air drilling misting fluid contains syrups

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component
Reexamination Certificate

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Clamping and cutting apparatus with adjustable head

Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Reexamination Certificate

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Drilling fluid additive containing heated syrup solids

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component
Reexamination Certificate

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Utility knife handle

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Profile ID: LFUS-PAI-P-2226864

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