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| Patents for L. B. Ackerman | |||||
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| Number | Date | Patentee | Title | Type | |
| 427,472 | May 06, 1890 | J.B. Foote | Wrench | quick adjust wrenches | |
| D27,812 | Nov. 02, 1897 | J.B. Foote | Carriage Jack | axle nut wrench combination tools | |
| 662,715 | Nov. 27, 1900 | J.B. Foote | Axle Lubricator | lubricators | |