| Patents for Wm. A. Barr |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 864,633 | Aug. 27, 1907 | G.O. Leopold, T.J. Fegley | Screw holder for drivers | |
| 869,851 | Oct. 29, 1907 | E.A. King | Bevel | bevels |
| 882,937 | Mar. 24, 1908 | T.J. Fegley | Screw-eye driver | screwdriver blades |
| 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 | try squares |
| 948,850 | Feb. 08, 1910 | T.J. Fegley | Chuck | |
| 1,033,712 | Jul. 23, 1912 | G.O. Leopold | Chain Drill | drill accessories |
| 1,034,258 | Jul. 30, 1912 | G.O. Leopold | Chain Drill | drill accessories |
| 1,060,467 | Apr. 29, 1913 | G.O. Leopold | Chain Drill | drill accessories |
| 1,120,466 | Dec. 08, 1914 | G.O. Leopold, T.J. Fegley | Vise | vises |
| 1,132,319 | Mar. 16, 1915 | T.J. Fegley | Tap Wrench | |
| 1,132,320 | Mar. 16, 1915 | G.O. Leopold, T.J. Fegley | Vise | bench vises |
| 1,138,465 | May 04, 1915 | G.O. Leopold, T.J. Fegley | Chuck | push drills |
| 1,144,828 | Jun. 29, 1915 | G.O. Leopold, T.J. Fegley | Vise | bench vises |
