| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Frank Bartz | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 874,924 | Dec. 31, 1907 | F. Bartz, F.A. Wygant | Receptacle for coffee-mills | |
 | 874,925 | Dec. 31, 1907 | F. Bartz, F.A. Wygant | Coffee-mill | |
 | 930,920 | Aug. 10, 1909 | F. Bartz | Meat-cutter | |
 | 930,921 | Aug. 10, 1909 | F. Bartz | Meat-cutter | |
 | 953,250 | Mar. 29, 1910 | F. Bartz | Coffee-mill | |