US2591614A
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Rotary cutter head with slotted bit seats
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Cutter head sharpening attachment
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Depth adjustment for motor-driven cutting tools
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Hand manipulated power band saw
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US2291761A
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Slat slotting machine
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US2221458A
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Cutter head
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US1911471A
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Cooling fan for electric motor operated tools
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Adjustable and interchangeable mounting for motor driven tools
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Electric motor unit construction for motor driven tools
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US1954368A
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Template for lock plate mortises
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Machine for cutting oil grooves
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Machine for dressing grinding-wheels.
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Grinding-machine.
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