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| All Patents in class 81/366 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 186,099 | Jan. 09, 1877 | E.F. Barnes | Pipe Tongs and Cutter | |
 | 293,848 | Feb. 19, 1884 | D.S. Brown | Pipe Wrench | |
 | 430,768 | Jun. 24, 1890 | M. Cooper | Pipe Tongs | |
 | 512,086 | Jan. 02, 1894 | J.V. Ashcraft | Pliers | |
 | 540,409 | Jun. 04, 1895 | E.J. Stone | Pipe Wrench | |
 | 923,940 | Jun. 08, 1909 | S.A. Brockway | Alligator Wrench | |
 | 1,319,946 | Oct. 28, 1919 | W.L. Bessolo | Quick Adjustable Wrench | |
 | 1,546,139 | Jul. 14, 1925 | R.F. Lévéque | Pliers | |
 | 1,915,404 | Jun. 27, 1933 | G.M. Clifton | Pliers | |