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| Patents for Charles W. Grant | |||||
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| Number | Date | Patentee | Title | Type | |
| 677,350 | Jul. 02, 1901 | C.W. Grant | Tool-holder | lathe tool holders and tool posts | |
| 713,001 | Nov. 04, 1902 | C.W. Grant | Cutting-off Tool | lathe tools | |
| 788,206 | Apr. 25, 1905 | C.W. Grant | Tool-post | lathe tool holders and tool posts | |
| 802,206 | Oct. 17, 1905 | C.W. Grant | Tool-holder | lathe tool holders and tool posts | |
| 807,166 | Dec. 12, 1905 | C.W. Grant | Tool-holder and tool | lathe tool holders and tool posts | |