| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Providence Engineering Works | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 737,495 | Aug. 25, 1903 | W.O. Tourgee, R.H. Rice, J.W. Sargent | Valve-gear for steam-engines | |
 | 841,774 | Jan. 22, 1907 | A.A. Fuller | Equalizing-gearing | |
 | 873,493 | Dec. 10, 1907 | A.M. Brown | Internal-combustion engine | |