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| Patents for Frederick G. Jenkins | |||||
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| Number | Date | Patentee | Title | Type | |
| 38,488 | May 12, 1863 | F.G. Jenkins | Improved cutter-head for wood of lead pencils | cutterheads | |
| 90,269 | May 18, 1869 | F.G. Jenkins | Improvement in the manufacture of lead-pencils | pencil making machines | |