| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for G. W. Barr | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 165,655 | Jul. 20, 1875 | R.S. Battles | Improvement in the Construction of Screw-Wrenches | wrench handle components | |
| 1,087,625 | Feb. 17, 1914 | F.O. Albertson | Valve Truing Tool | valve grinding tools | |