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| Patents for F. P. Pfleghar | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 75,699 | Mar. 17, 1868 | F.P. Pfleghar | Bit-brace | |
![]() | 98,795 | Jan. 11, 1870 | F.P. Pfleghar | Improvement in knob-latches | |
![]() | 175,151 | Mar. 21, 1876 | F.P. Pfleghar | Ratchet bit-brace | |