| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for John H. Hopkins | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 191,239 | May 29, 1877 | J.H. Hopkins | Improvement in scroll-sawing machines | human powered machines | |
| 210,607 | Dec. 10, 1878 | J.H. Hopkins | Improvement in scroll-sawing machines | scrollsaws | |