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| Patents for Harriet Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 512,704 | Jan. 16, 1894 | E. Holmes, B. Holmes | Device for Directing Hoops on Barrels | barrel making machines | |
| CA-45,875 | Apr. 24, 1894 | W. Dicks | Wrench | bicycle or pocket wrenches | |
| 539,423 | May 21, 1895 | J. Emig | Ratchet Drill | hand drills | |
| 540,353 | Jun. 04, 1895 | W. Dicks | Wrench | quick adjust wrenches | |