| All Patents in class 144/28 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 38,488 | May 12, 1863 | F.G. Jenkins | Improved cutter-head for wood of lead pencils | cutterheads |
| 43,267 | Jun. 21, 1864 | A. Warth | Improvement in machines for cutting lead-pencils | pencil making machines |
| 45,679 | Dec. 27, 1864 | P. Schrag | Improvement in machines for sandpapering pencils | sanding machines |
| 62,829 | Mar. 12, 1867 | L.H. Dwelley | Improvement in machines for cutting the rolls of window blinds | windowblind machines |
| 68,819 | Sep. 10, 1867 | E. Weissenborn | Improvement in machines for making lead pencils | pencil making machines |
| 70,208 | Oct. 29, 1867 | W.D. Hatch | Machine for shaping pencils | pencil making machines |
| 102,821 | May 10, 1870 | J. Huber | Cue-cutting machine | specialty woodworking machines |
| 103,241 | May 17, 1870 | P. Schrag, P. Hufeland | Improvement in machines for cutting off lead-pencils | pencil making machines |
| 103,746 | May 31, 1870 | P. Hufeland | Improvement in machine for grooving lead-pencil blanks | pencil making machines |
| 108,721 | Oct. 25, 1870 | T.H. Mueller, H.C. Benson | Improvement in machines for cutting and smoothing the ends of pencils | pencil making machines |
| 110,777 | Jan. 03, 1871 | T.H. Mueller | Improvement in machines for cutting the ends of wooden pencils | pencil making machines |
| 132,519 | Oct. 29, 1872 | G. Braun | Improvement in machines for polishing pencils | pencil making machines |
| RE5,228 | Jan. 07, 1873 | A. Warth | Machine for cutting lead pencils | pencil making machines |
| RE5,236 | Jan. 14, 1873 | P. Schrag, P. Hufeland | Machine for cutting off pencils | pencil making machines |
| 140,946 | Jul. 15, 1873 | T.H. Mueller | Improvement in machines for finishing pencils | pencil making machines |
