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| All Patents in class 81/336 | |||||
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| Number | Date | Patentee | Title | Type | |
| 69,896 | Oct. 15, 1867 | H. Bitter | Improvement in Combined Hose, Tongs, Clamp, Wrench and Pick | combination tools | |
| 146,254 | Jan. 06, 1874 | H.P. Hood | Railway-Wrench | ratchet wrenches | |
| 370,447 | Sep. 27, 1887 | C.M. Brown | Adjustable Wrench | quick adjust wrenches | |
| 493,088 | Mar. 07, 1893 | F.W. Heinke | Tool designed for plumbers' use. | combination tools | |
| 1,553,623 | Sep. 15, 1925 | J.H. McLeod | Parallel Valve Spring Lifter | valve spring tools | |