| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Willard Curtiss | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 91,269 | Jun. 15, 1869 | W. Curtiss, C. Richards | Improvement in cutter-head | cutterheads | |
| 431,139 | Jul. 01, 1890 | W. Curtiss | Machine for dressing the teeth of gear-wheels | gear making machines | |