| All Patents in class 72/478 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 5,554 | May 09, 1848 | T. Hollister | Improvement in the Formation of Dies | stamping press dies |
| 201,530 | Mar. 19, 1878 | C.F. Jacobson | Machine for Making Twist Drills | making drills and augers |
| 295,547 | Mar. 25, 1884 | H. Hammond | Die For Forging Hammers | hammers |
| 309,620 | Dec. 23, 1884 | J. Hausman | Hammer Dies | hammers |
| 378,251 | Feb. 21, 1888 | C.H. Irwin | Die for Making Auger-Bits | making drills and augers |
| 438,970 | Oct. 21, 1890 | J.W. Yates | Machine for making sheet-metal moldings | metal bending machines |
| 633,280 | Sep. 19, 1899 | J.R. Blakeslee | Die and Tool for Upsetting Tubes | forging dies |
| 1,000,050 | Aug. 08, 1911 | W.S. Thomson | Die For Forging | making wrenches |
| 1,086,508 | Feb. 10, 1914 | H.O. Brown | Tool Guide and Holder | tool holders |
| 1,253,553 | Jan. 15, 1918 | B.F. Winterhoff | Apparatus for smoothing and calibrating tapered and curved hollow metal bodies, such as bows for wind instruments | music instrument maker |
| 1,395,617 | Nov. 01, 1921 | W. Stubbs | Apparatus for Twisting Metal Bars | metal twisting machines |
| 1,506,640 | Aug. 26, 1924 | W.W. Hummel | Sealer | |
