![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for R. H. St. John | |||||
| Number | Date | Patentee | Title | Type | |
| 18,213 | Sep. 15, 1857 | R.H. St. John | Watchmakers' lathe | watchmakers lathes | |
| 23,406 | Mar. 29, 1859 | R.H. St. John | Watchmakers Lathe | watchmakers lathes | |