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