| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for John W. Hogan | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 419,854 | Jan. 21, 1890 | D.J. Hersey | Pipe Wrench | pipe wrenches | |
| 2,891,115 | Jun. 16, 1959 | J.W. Hogan | Magnetic Transducer | magnetic transducers | |