| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for C. F. Richardson & Son | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 306,429 | Oct. 14, 1884 | H.M. Rich | Inclinometer | inclinometers | |
| 368,308 | Aug. 16, 1887 | C.F. Richardson | Surveyor's transit | surveying apparatus | |