| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Horatio Gates Spafford | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 599X | May 03, 1805 | H.G. Spafford | Close Fire Place | ||
| 3,603X | Oct. 30, 1822 | H.G. Spafford | Art of making cast and wrought steel | ||
| 3,604X | Oct. 30, 1822 | H.G. Spafford | Making iron and steel | ||
| 3,625X | Dec. 19, 1822 | H.G. Spafford | Art of making edge tools | ||