| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Otto S. Beyer | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 739,378 | Sep. 22, 1903 | O.S. Beyer | Drawing-press | stamping presses | |
| 778,472 | Dec. 27, 1904 | O.S. Beyer | Ring-making machine | metalworking machines | |
| 784,653 | Mar. 14, 1905 | O.S. Beyer | Clutch | industrial machine clutches | |
| 860,784 | Jul. 23, 1907 | O.S. Beyer | Drop Hammer | drop hammers | |
| 1,670,648 | May 22, 1928 | O.S. Beyer | Automatic punching press | punch presses | |