| All Patents in class 81/57.5 |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
 | 13,120 | Jun. 26, 1855 | C.B. Bristol | Revolving Head Nut Wrench |
 | 103,656 | May 31, 1870 | M. Redlinger | Wrench |
 | 331,158 | Nov. 24, 1885 | E. Phillips | Wrench |
 | 385,791 | Jul. 10, 1888 | F.B. Carpenter | Combined Bit, Countersink, and Screw-Driver |
 | 395,598 | Jan. 01, 1889 | A. Waggoner | Wrench For Turning the Nuts and Cleaning the Axle-Spindles of Buggies |
 | 460,062 | Sep. 22, 1891 | H.J. Rosenberg | Revoluble Head Wrench |
 | 781,206 | Jan. 31, 1905 | A.C. Huckelbridge | Wrench |
 | 966,529 | Aug. 09, 1910 | F.R. Cunningham | Multiple bench-key |
 | 1,293,735 | Feb. 11, 1919 | W.S. DuCharme | Turret Head Wrench |
 | 1,321,625 | Nov. 11, 1919 | A.D. Grover | Multiple Wrench Tool |
