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| Patents for Sullivan Machinery Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
| 871,944 | Nov. 26, 1907 | H.H. Mercer | Tool Holder for Stoneworking Machines | ||
| 1,279,532 | Sep. 24, 1918 | G.H. Gilman | Drilling Apparatus | ||
| 1,286,994 | Dec. 10, 1918 | G.H. Gilman | Method of Drilling Holes | ||