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Patents for H. H. Packer | |||||
Number | Date | Patentee | Title | Type | |
20,728 | Jun. 29, 1858 | H.H. Packer | Hand-drill | ratchet braces | |
RE2,140 | Jan. 02, 1866 | H.H. Packer | Improvement in drills | ratchet braces |