| All Patents in class 409/190 |
Patents 1 -
15
of 24
      |
| Number | Date | Patentee | Title | Type |
| 112,379 | Mar. 07, 1871 | F.A. Pratt | Improvement in machines for shaping and cutting gear-cutters | |
| 408,366 | Aug. 06, 1889 | H.M. Albee | Routing and woodworking machine | routing machines |
| 442,826 | Dec. 16, 1890 | V. Royle, J. Royle, Jr. | Routing-machine | routing machines |
| 467,787 | Jan. 26, 1892 | P. Baron | Machine for Making Screws | screw machines |
| 469,813 | Mar. 01, 1892 | J.H. Svensson, C.G. Dahlgren | Lathe | stoneworking lathes |
| 511,736 | Dec. 26, 1893 | C.L. Libby | Taper Attachment and Feed Mechanism for Vertical Boring Mill | vertical boring mills |
| 514,719 | Feb. 13, 1894 | C.L. Libby | Boring-Mill | vertical boring mills |
| 531,773 | Jan. 01, 1895 | J. Buchanan | Locomotive or Engine Cylinder Boring Mechanism | portable turning tools |
| 548,175 | Oct. 22, 1895 | J. Browning | Machine Tool | metal lathe accessories and attachments |
| 1,284,344 | Nov. 12, 1918 | A.J. Howd | Milling Machine | milling machines |
| 1,356,394 | Oct. 19, 1920 | G.E. Norris | Mortising-machine | portable timber mortisers |
| 1,420,319 | Jun. 20, 1922 | G.L. Kelley | Metal-routing machine | |
| 1,449,083 | Mar. 20, 1923 | P.L. Billingsley | Mortising device | mortising machines |
| 1,621,061 | Mar. 15, 1927 | R.L. Carter | Door-mortising machine | mortising machines |
| 1,633,370 | Jun. 21, 1927 | S. Hunter | Door-lock-mortising machine | mortising machines |
