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| Patents for Charles P. Case | |||||
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| Number | Date | Patentee | Title | Type | |
| 92,266 | Jul. 06, 1869 | C.P. Case | Improvement in saw-filing machines | saw sharpening machines | |
| 114,921 | May 16, 1871 | C.P. Case | Improvement in saw-filing machines | saw sharpening machines | |