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| Patents for Geo. R. Van Dusen | |||||
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| Number | Date | Patentee | Title | Type | |
| 415,183 | Nov. 12, 1889 | V.J. McDonnell | Wrench | quick adjust wrenches | |
| 510,049 | Dec. 05, 1893 | J. Ryan | Hammer | nail holding | |