| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Humphrey Machine Co. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 98,265 | Dec. 28, 1869 | J. Humphrey | Improvement in boring and mortising-machine | mortising machines | |
| 111,748 | Feb. 14, 1871 | J. Humphrey | Improvement in pumps | ||
| 260,202 | Jun. 27, 1882 | J. Humphrey | Turbine Water Wheel | turbine water wheels | |