| Patents for George O. Leopold |
Patents 31 -
45
of 80
      |
| Number | Date | Patentee | Title | Type |
| 1,169,657 | Jan. 25, 1916 | G.O. Leopold | Drill | drill presses |
| 1,209,571 | Dec. 19, 1916 | G.O. Leopold, T.J. Fegley | Pattern Cutter | |
| 1,236,848 | Aug. 14, 1917 | G.O. Leopold | Alternate driving means for the North Bros. 1445 drill | hand drills |
| 1,268,559 | Jun. 04, 1918 | T.J. Fegley, G.O. Leopold | Vise | bench vises |
| 1,269,271 | Jun. 11, 1918 | T.J. Fegley, G.O. Leopold | Vise | bench vises |
| 1,286,360 | Dec. 03, 1918 | G.O. Leopold | Ratchet Mechanism | |
| 1,288,858 | Dec. 24, 1918 | G.O. Leopold, T.J. Fegley | Shears | |
| 1,322,099 | Nov. 18, 1919 | T.J. Fegley, G.O. Leopold | Shears | metal shearing machines |
| 1,343,079 | Jun. 08, 1920 | G.O. Leopold, T.J. Fegley | Shears | |
| 1,343,732 | Jun. 15, 1920 | G.O. Leopold | Lifting jack | |
| 1,395,123 | Oct. 25, 1921 | G.O. Leopold | Lifting jack | |
| 1,434,128 | Oct. 31, 1922 | G.O. Leopold | Socket wrench | |
| 1,460,201 | Jun. 26, 1923 | G.O. Leopold | Spiral tool | spiral screwdrivers |
| 1,469,662 | Oct. 02, 1923 | G.O. Leopold | Socket Wrench | wrench sockets |
| 1,473,423 | Nov. 06, 1923 | T.J. Fegley, G.O. Leopold | Hand brace | brace handles |
