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| Patents for James F. Crown | |||||
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| 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 | |