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| Patents for Charles W. Nichols | |||||
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| Number | Date | Patentee | Title | Type | |
| D37,896 | Mar. 13, 1906 | G.E. Wood | Design | screwdriver handles | |
| 904,501 | Nov. 24, 1908 | J.P. Bartholomew | Bit-Brace | brace chucks | |
| 927,478 | Jul. 13, 1909 | J.P. Bartholomew | Tool-Chuck | brace chucks | |