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| Patents for Minnie E. Kellam | |||||
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| Number | Date | Patentee | Title | Type | |
| 487,331 | Dec. 06, 1892 | J.W. Kellam | Adjustable Flange Wrench | flange wrenches | |
| 499,742 | Jun. 20, 1893 | J.W. Kellam | Improvement in Adjustable Flange-Wrenches | flange wrenches | |
| RE11,394 | Dec. 05, 1893 | J.W. Kellam | Adjustable Flange Wrench | flange wrenches | |
| CA-44,957 | Dec. 26, 1893 | J.W. Kellam | Wrench | flange wrenches | |