| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | Patent number: | Patent Date: |
| Patents for Charles M. Jarvis | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 521,980 | Jun. 26, 1894 | C.M. Jarvis | Machine for Grinding Cocks Automatically | valve cock grinders | |