| All Patents in class 72/475 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 1,553 | Apr. 15, 1840 | W. Field | Manner of Manufacturing Screw-Augers | making drills and augers |
| 77,170 | Apr. 28, 1868 | J.H. Cole | Improved Dies for Making Thimbles and Ferrules | tool handles |
| 294,698 | Mar. 04, 1884 | N.C. Stiles | Die for forming pulley-centers | pulley making machines |
| 343,155 | Jun. 01, 1886 | S. Fawcett, H.F. Smith | Die For Making Blanks For Pipe Tongs | pipe tongs |
| 381,894 | Apr. 24, 1888 | J.T. Wilson | Die for Making Draw Bars | forging dies |
| 407,516 | Jul. 23, 1889 | M.T. Durkin | Metal Forming Machine | sheet metal bending machines |
| 408,497 | Aug. 06, 1889 | J.A. Marsell | Die for the Manufacture of Augers | making drills and augers |
| 422,546 | Mar. 04, 1890 | J. Swan | Die for Making Bits | making drills and augers |
| 438,970 | Oct. 21, 1890 | J.W. Yates | Machine for making sheet-metal moldings | metal bending machines |
| 464,352 | Dec. 01, 1891 | H.F. Smith, S. Fawcett | Die For Making Pipe Wrenches | chain and strap wrenches |
| 623,602 | Apr. 25, 1899 | H.A. Hannum | Die for Making Pinking Cutters | leather shearing machines |
