| Patents for James F. Crown |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 685,050 | Oct. 22, 1901 | E.E. Kettelsen | Wrench | quick adjust wrenches |
| 1,262,960 | Apr. 16, 1918 | A.V. Lea | Drill Bit Puller | |
| 1,264,036 | Apr. 23, 1918 | T.J. Ellis | Crosscut Saw Frame | frame saws |
| 1,269,727 | Jun. 18, 1918 | A.E. Metz | Milling Machine | milling machines |
| 1,294,689 | Feb. 18, 1919 | O.H. Mellum | Combination Pliers and Wrench | pliers type wrenches |
| 1,314,964 | Sep. 02, 1919 | D.G. Kennedy | Ratchet Wrench | ratchet wrenches |
| 1,337,678 | Apr. 20, 1920 | J.H. Williams | Wrench | self-adjust wrenches |
