| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | Patent number: | Patent Date: |
| Patents for Philip Schrag | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 14,296 | Feb. 19, 1856 | W.J. von Kammerhueber, P. Schrag | Sawing Stone | ||
 | 45,679 | Dec. 27, 1864 | P. Schrag | Improvement in machines for sandpapering pencils | |
 | 103,241 | May 17, 1870 | P. Schrag, P. Hufeland | Improvement in machines for cutting off lead-pencils | |
 | RE5,236 | Jan. 14, 1873 | P. Schrag, P. Hufeland | Machine for cutting off pencils | |