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| Patents for Crane Bros. Mfg. Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 155,139 | Sep. 22, 1874 | B.C. Bradley | Wrenches | quick adjust wrenches | |
| 378,310 | Feb. 21, 1888 | J.T. Hayden | Collapsing Tap | taps and dies | |
| 420,199 | Jan. 28, 1890 | J.T. Hayden | Chuck Having Revoluble Jaws | metal lathe chucks | |