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Perforation method

Cutting – Processes – Puncturing
Patent

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Perforator

Cutting – Processes – Plural cutting steps
Reexamination Certificate

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Perforator for metal plate

Cutting – Processes – Blanking
Patent

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Photographic film trailing end cutting method and apparatus

Cutting – Processes
Patent

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Photographic film web cutter and method

Cutting – Processes – Plural cutting steps
Patent

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Picture frame making accessory and method

Cutting – Processes
Reexamination Certificate

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Piercing die whose punch has different amounts of chamfer at dif

Cutting – Processes – Blanking
Patent

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Pill Splitter

Cutting – Processes
Reexamination Certificate

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Pin table

Cutting – Processes – With preparatory or simultaneous ancillary treatment of work
Patent

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Pinch blade tool and method for patterning asphalt shingles with

Cutting – Processes – Cutting part way through from opposite sides of work
Patent

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Pinch cutting method and apparatus

Cutting – Processes – With preparatory or simultaneous ancillary treatment of work
Patent

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Pipe cutter and method of cutting pipe

Cutting – Processes – Cutting wall of hollow work
Reexamination Certificate

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Pipe preparing tool V

Cutting – Processes – Cutting wall of hollow work
Reexamination Certificate

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Pipe slitter

Cutting – Processes – With preparatory or simultaneous ancillary treatment of work
Patent

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Piston blind cutter

Cutting – Processes – Effecting diverse or sequential cuts in same cutting step
Reexamination Certificate

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Pivotable knife

Cutting – Processes – Plural cutting steps
Patent

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Pivotal guard cover for hand-held kitchen peeler

Cutting – Processes
Reexamination Certificate

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Planetary tubing cutter

Cutting – Processes
Reexamination Certificate

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Plate member shearing apparatus, method for shearing plate...

Cutting – Processes
Reexamination Certificate

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Plate subdividing and sorting machine

Cutting – Processes – With subsequent handling
Patent

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