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| Patents for W. J. Davidson | |||||
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| Number | Date | Patentee | Title | Type | |
| 583,884 | Jun. 08, 1897 | J.R. Bate | Machine for cutting excelsior | excelsior machines | |
| 708,533 | Sep. 09, 1902 | A.C. Cullmann | Bevel and Square | ||
| 923,446 | Jun. 01, 1909 | C.O. Schellbach | Micrometer Gage | micrometers | |