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| Patents for Charles B. Bosworth | |||||
| Number | Date | Patentee | Title | Type | |
| 664,805 | Dec. 25, 1900 | C.B. Bosworth | Pressure-gage-testing apparatus | ||
| 664,806 | Dec. 25, 1900 | C.B. Bosworth | Testing apparatus for pressure-gages | ||