4. Cutting by use of rotating axially moving tool
  5. With work-engaging structure other than tool or tool-support
  6. Adjustable, tool-guiding jig

Ralph F. Crandell

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Bioreactor for acid mine drainage control

Liquid purification or separation – With gas-liquid surface contact means
Reexamination Certificate

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Casino card game and method of playing the same

Amusement devices: games – Board games – pieces – or boards therefor – Betting or wagering board
Reexamination Certificate

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Drill guide for drilling long holes in doors

Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Adjustable – tool-guiding jig
Reexamination Certificate

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Histochemical labeling stain for myelin in brain tissue

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving fixed or stabilized – nonliving microorganism,...
Reexamination Certificate

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Honeycomb cell structure for fluid-solid reactor

Liquid purification or separation – Structural installation – Geographic
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2024481

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