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| Patents for Frank E. Dexter | |||||
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| Number | Date | Patentee | Title | Type | |
| 368,308 | Aug. 16, 1887 | C.F. Richardson | Surveyor's transit | surveying apparatus | |
| 560,481 | May 19, 1896 | F.E. Dexter | Machine for repairing valves and valve-seats | valve reseating machines | |