4. Measuring, testing, or signalling instruments
  5. Measuring, regulating or indicating instrument, or casing
  6. Geometric

Steven E. Spirer

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Angled head hammer

Tools and hardware – Other tools and implements – Hammer type
Patent

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Chisel

Tools and hardware – Other tools and implements – Chisel – nail set – awl – or wedge
Patent

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Chisel blade

Tools and hardware – Other tools and implements – Entire article formed substantially from a single piece of...
Patent

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Chisel with improved blade

Cutlery – Cutting tools – Chisel
Patent

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Constant rotation rotary torque multiplier

Tools – Wrench – screwdriver – or driver therefor – Machine
Reexamination Certificate

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Profile ID: LFUS-PAI-P-816229

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