| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Richard P. Bruff | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | RE5,624 | Oct. 21, 1873 | J. Swan | Machine for Upsetting Cook's Auger Bits | |
 | 170,089 | Nov. 16, 1875 | B.F. Joslyn | Wrench | |
 | 177,521 | May 16, 1876 | B.F. Joslyn | Improved Carriage-Wrench | |
 | 180,348 | Jul. 25, 1876 | B.F. Joslyn | Wrench | |
| 187,388 | Feb. 13, 1877 | B.F. Joslyn | Improvement in wood-boring machines | ||