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US Patent: 144,823
Metallic Plane
Carriage Cutter Adjustment for Blockplanes
Joseph F. Baldwin - Boston, MA

USPTO Classifications:

Tool Categories:
woodworking tools : planes : plane adjustment mechanisms : plane cutter adjustments
woodworking tools : planes : block planes

John Sully - Dedham, MA

Not known to have been produced

F. W. Howard
Edward W. Dunn
Samuel M. Barton
Carroll D. Wright

Patent Dates:
Applied: Jun. 07, 1873
Granted: Nov. 25, 1873

Patent Pictures: [ 1 | 2 ]
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The invention is the cutter depth adjuster that consist of a screw and carriage as found on many blockplanes.

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