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| Patents for William H. Watson | |||||
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| Number | Date | Patentee | Title | Type | |
| 185,303 | Dec. 12, 1876 | A.T. Davis | File Handle | files | |
| 897,437 | Sep. 01, 1908 | W.H. Watson | Calipers | depth micrometers | |
| 2,640,513 | Jun. 02, 1953 | W.H. Watson, R.L. Nelson | Hydraulically actuated auxiliary assembly for sawmills | sawmill feed works | |