| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Albert Perkins | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 41,966 | Mar. 15, 1864 | S.G. Twambley | Improved Lathe Rest for Truing Watch-Wheels | metal lathe accessories and attachments | |
| 99,698 | Feb. 08, 1870 | G.W. Hadley, T.C. Page | Improvement in Calipers | calipers | |