| Patents for Wm. A. Barr |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 864,633 | Aug. 27, 1907 | G.O. Leopold, T.J. Fegley | Screw holder for drivers |
 | 869,851 | Oct. 29, 1907 | E.A. King | Bevel |
 | 882,937 | Mar. 24, 1908 | T.J. Fegley | Screw-eye driver |
 | 908,872 | Jan. 05, 1909 | G.O. Leopold | Ball bearing |
 | 917,033 | Apr. 06, 1909 | T.J. Fegley | Chuck |
 | 919,883 | Apr. 27, 1909 | E.A. King | Square |
 | 948,850 | Feb. 08, 1910 | T.J. Fegley | Chuck |
 | 1,033,712 | Jul. 23, 1912 | G.O. Leopold | Chain Drill |
 | 1,034,258 | Jul. 30, 1912 | G.O. Leopold | Chain Drill |
 | 1,060,467 | Apr. 29, 1913 | G.O. Leopold | Chain Drill |
