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Patents for Andrew Hullinger | |||||
Number | Date | Patentee | Title | Type | |
469,701 | Mar. 01, 1892 | A. Hullinger | Improvements in Ratchet-Wrenches | wrench sockets | |
597,081 | Jan. 11, 1898 | A. Hullinger | Wrench | ratchet wrenches |