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| Patents for Charles F. Schultz | |||||
| Number | Date | Patentee | Title | Type | |
| 323,723 | Aug. 04, 1885 | E.H. Parks | Boring Machine | metalworking machines | |
| 633,709 | Sep. 26, 1899 | W. Vanderman | Pipe Wrench | chain and strap wrenches | |
| 656,168 | Aug. 21, 1900 | T.S. Carroll | Wood Sawing Machine | circular sawmills | |