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| Patents for John A. Roebling's Sons | |||||
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| Number | Date | Patentee | Title | Type | |
| D27,471 | Aug. 03, 1897 | S.T. Freas | Design For A Wrench | alligator wrenches | |
| D28,270 | Feb. 08, 1898 | S.T. Freas | Design for a Wrench | alligator wrenches | |