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| Patents for Willard H. Platt | |||||
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| Number | Date | Patentee | Title | Type | |
| D17,306 | May 03, 1887 | J.A. Greene | Belt Stud Tool | pliers | |
| 731,833 | Jun. 23, 1903 | G.W. Carver, E. Allen | Lubricator | steam engine lubricators | |