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| Patents for John C. Bartholomew | |||||
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| Number | Date | Patentee | Title | Type | |
| 98,558 | Jan. 04, 1870 | T.E. Chandler, J.C. Bartholomew | Improvement in sawmills | reciprocating sawmills | |
| 630,536 | Aug. 08, 1899 | L.S. Heald, J.N. Heald | Drill-grinding machine | drill grinders | |
| 734,863 | Jul. 28, 1903 | L.S. Heald, J.N. Heald | Sash-trimming machine | miter machines | |