| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for L. B. Keiper | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 316,789 | Apr. 28, 1885 | H.B. Keiper | Device for Converting Motion | |
 | 767,282 | Aug. 09, 1904 | H.B. Keiper | Drilling-machine | |
| 874,893 | Dec. 24, 1907 | H.B. Keiper | Tuyère | ||