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| Patents for A. D. Grover | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 363,213 | May 17, 1887 | L.A. Dearth | Plane Oiler with Spring-loaded Valve | |
 | 482,527 | Sep. 13, 1892 | D.R. Porter | Pipe Wrench | |
 | 592,966 | Nov. 02, 1897 | H.L. Flather | Feed Mechanism for Engine Lathes | |