| All Patents in class 409/183 |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 133,627 | Dec. 03, 1872 | W.H. Brown | Improvement in machines for shaping molding-machine cutters | tool making machines |
| 144,745 | Nov. 18, 1873 | H. Cottrell | Carving Machine | stone cutting machines |
| 193,555 | Jul. 24, 1877 | V. Royle, J. Royle, Jr. | Improvement in routing-machines for engravers' use | engraver |
| 269,762 | Dec. 26, 1882 | P.A. Whitney | Machine for Notching Scale Beams | milling machines |
| 374,707 | Dec. 13, 1887 | V. Royle, J. Royle, Jr. | Routing-machine | routing machines |
| 390,164 | Sep. 25, 1888 | J.A. Gregg | Milling-machine | milling machines |
| 415,281 | Nov. 19, 1889 | A.S. Parke | Saw-scarfing machine | sharpening machines |
| 551,841 | Dec. 24, 1895 | J.H. Spoerl | Milling Tool | milling machine accessories |
| 618,585 | Jan. 31, 1899 | N. Rosenberg | Hand-powered mortising machine | human powered machines |
| 622,832 | Apr. 11, 1899 | F. Wesel | Routing-machine | engraver |
| 903,757 | Nov. 10, 1908 | C.C. Newton | Key Seating Machine | key seating machines |
| 1,231,946 | Jul. 03, 1917 | W.L. Schellenbach | Tool-holder stop mechanism | metal lathes |
| 2,083,858 | Jun. 15, 1937 | W.H. Nichols | Hand-Fed Machine Tool | milling machines |
| 2,161,505 | Jun. 06, 1939 | A.A. Davis | Radial Draft Milling Apparatus | milling machine accessories |
| 2,293,880 | Aug. 25, 1942 | O.W. Barker, J.B. Armitage | Machine Tool Transmission and Control Mechanism | milling machines |
