| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for S. S. Spencer | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 208,030 | Sep. 17, 1878 | T.G. Morse | Improvement in boring-machines | ||
 | 238,815 | Mar. 15, 1881 | E.H. Stearns | Lumber-trimming machine | |