| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for John P. B. Wells | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 432,779 | Jul. 22, 1890 | J.P. Wells | Protractor | protractors | |
| 641,173 | Jan. 09, 1900 | J.P. Wells | Micrometer Calipers | micrometers | |