| All Patents in class 72/338 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 45,854 | Jan. 10, 1865 | G. Parr | Improvement in Mode of Manufacturing Screw Drivers | screwdriver blades |
| 76,797 | Apr. 14, 1868 | C.B. Morse | Method of making rings for ring-spinning | |
| 85,110 | Dec. 22, 1868 | J. Lippincott | Making Axes | axes |
| 315,530 | Apr. 14, 1885 | S. Moore | Manufacture of Drills | making drills and augers |
| 464,024 | Dec. 01, 1891 | W.H. Johnson | Combined Punching and Swaging Machine | metal punching machines |
| 492,576 | Feb. 28, 1893 | W.H. Dayton | Machine for Swaging Wire, &c. | metal swaging machines |
| 1,595,588 | Aug. 10, 1926 | W.L. Tuttle | Method and Apparatus for Making Wrench Sockets | making wrenches |
| 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 | making wrenches |
| 2,695,060 | Nov. 23, 1954 | A. Girz | Cutter | forging machines |
| 2,977,860 | Apr. 04, 1961 | V.D. Hery | Machine for Producing Containers | pan making machines |
