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All Patents of Type: pencil making machines
Patents 1 - 15 of 15
First set of recordsLast set of records
NumberDatePatenteeTitleType
38,488May 12, 1863F.G. JenkinsImproved cutter-head for wood of lead pencilscutterheads
39,019Jun. 23, 1863A. WeillerImproved machinery for making wooden cases for lead-pencilspencil making machines
43,267Jun. 21, 1864A. WarthImprovement in machines for cutting lead-pencilspencil making machines
45,679Dec. 27, 1864P. SchragImprovement in machines for sandpapering pencilssanding machines
68,819Sep. 10, 1867E. WeissenbornImprovement in machines for making lead pencilspencil making machines
70,208Oct. 29, 1867W.D. HatchMachine for shaping pencilspencil making machines
90,269May 18, 1869F.G. JenkinsImprovement in the manufacture of lead-pencilspencil making machines
103,241May 17, 1870P. Schrag, P. HufelandImprovement in machines for cutting off lead-pencilspencil making machines
103,746May 31, 1870P. HufelandImprovement in machine for grooving lead-pencil blankspencil making machines
108,721Oct. 25, 1870T.H. Mueller, H.C. BensonImprovement in machines for cutting and smoothing the ends of pencilspencil making machines
110,777Jan. 03, 1871T.H. MuellerImprovement in machines for cutting the ends of wooden pencilspencil making machines
132,519Oct. 29, 1872G. BraunImprovement in machines for polishing pencilspencil making machines
RE5,228Jan. 07, 1873A. WarthMachine for cutting lead pencilspencil making machines
RE5,236Jan. 14, 1873P. Schrag, P. HufelandMachine for cutting off pencilspencil making machines
140,946Jul. 15, 1873T.H. MuellerImprovement in machines for finishing pencilspencil making machines
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