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Patents for D. W. Lee
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
RE11,733Apr. 11, 1899L.L. FilstrupSaw-sharpening machinesaw sharpening machines
654,829Jul. 31, 1900L.L. FilstrupSaw-sharpening machinesaw sharpening machines
654,843Jul. 31, 1900H.P. SchofieldSaw support and guidesaw sharpening machines
654,844Jul. 31, 1900H.P. SchofieldSaw-sharpening machinesaw sharpening machines
654,845Jul. 31, 1900H.P. SchofieldSaw-supportsaw sharpening machines
667,924Feb. 12, 1901H.P. Schofield, L.L. FilstrupSaw-sharpening machinesaw sharpening machines
669,251Mar. 05, 1901L.L. Filstrup, H.P. SchofieldSaw-sharpening machinesaw sharpening machines
727,466May 05, 1903E.J. SederholmGovernorsteam engine governors
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