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| Patents for Thos. Houghton | |||||
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| Number | Date | Patentee | Title | Type | |
| 279,896 | Jun. 19, 1883 | H. Wheeler | Wrench | quick adjust wrenches | |
| 336,715 | Feb. 23, 1886 | C.F. Hill | Pliers | pliers | |
| 384,413 | Jun. 12, 1888 | L.O. Barrett | Double Gage | marking gauges | |
| 433,913 | Aug. 05, 1890 | R.P. Smith | Tool For Manipulating Insertible Saw Teeth | wrenches | |