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| Patents for H. T. Walker | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,385,214 | Jul. 19, 1921 | A.C. Klopper | Gear Drive Socket Wrench | socket wrenches | |
| 1,420,635 | Jun. 27, 1922 | A.C. Klopper | Wrench | socket wrenches | |
| 1,731,132 | Oct. 08, 1929 | C. Hendry, A.R. Hendry | Tire Patch Cutting Apparatus | metal tire repair tools | |
| 1,843,819 | Feb. 02, 1932 | N.W. Jackson | Pliers | pliers | |