| All Patents in class 72/338 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
 | 45,854 | Jan. 10, 1865 | G. Parr | Improvement in Mode of Manufacturing Screw Drivers |
 | 76,797 | Apr. 14, 1868 | C.B. Morse | Method of making rings for ring-spinning |
 | 85,110 | Dec. 22, 1868 | J. Lippincott | Making Axes |
| | 315,530 | Apr. 14, 1885 | S. Moore | Manufacture of Drills |
| | 464,024 | Dec. 01, 1891 | W.H. Johnson | Combined Punching and Swaging Machine |
| | 492,576 | Feb. 28, 1893 | W.H. Dayton | Machine for Swaging Wire, &c. |
| | 1,595,588 | Aug. 10, 1926 | W.L. Tuttle | Method and Apparatus for Making Wrench Sockets |
| | 2,266,997 | Dec. 23, 1941 | C.F. Sherman | Making links for machine-gun belts |
| | 2,340,529 | Feb. 01, 1944 | W.W. Hartman | Method of Making Socket Wrenches |
| | 2,695,060 | Nov. 23, 1954 | A. Girz | Cutter |
