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| Patents for Win D. Williams | |||||
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| Number | Date | Patentee | Title | Type | |
| 664,801 | Dec. 25, 1900 | W.D. Williams | Rotary Engine | rotary steam engines | |
| 1,229,174 | Jun. 05, 1917 | W.D. Williams | Tool Holder | lathe tool holders and tool posts | |