| All Patents in class 409/333 |
Patents 1 -
15
of 28
      |
| Number | Date | Patentee | Title | Type |
| 30,234 | Oct. 02, 1860 | C.B. Long | Machine for Planing Valve Seats of Steam Engines | metal planers |
| 67,520 | Aug. 06, 1867 | D. Flynn | Shaping and Slotting Key-Seats | key seating machines |
| 91,788 | Jun. 22, 1869 | H.D. Stover | Improved lathe for finishing the drive-wheels of locomotives | metal lathes |
| 110,609 | Dec. 27, 1870 | C. Van Haagen | Cutting and Shaping Metals | milling machines |
| 115,824 | Jun. 13, 1871 | B.F. Copp | Improvement in Wheel-Borers and Key-Way Cutters | horizontal boring mills |
| 131,293 | Sep. 10, 1872 | L.M. Mooney | Improvement in Key-Seat Cutters | key seating machines |
| 141,049 | Jul. 22, 1873 | R. Harper | Metal Planing Machines | metal planers |
| 145,376 | Dec. 09, 1873 | J.C. Fish, J.B. West | Machines for Cutting and Dressing Stone | stone cutting machines |
| 237,059 | Jan. 25, 1881 | W.H. Sisum | Metal Shaping Machine | metal shapers |
| 258,120 | May 16, 1882 | J. Richards | Metal Planing Machine | metal planers |
| 269,451 | Dec. 19, 1882 | M.S. Otis | Stone Cutting Machine | stone cutting machines |
| 274,565 | Mar. 27, 1883 | A.P. Creque | Planing Machine | metal planers |
| 302,647 | Jul. 29, 1884 | E. Bouhey | Machine for Chamfering Metal Plates | metal planers |
| 327,968 | Oct. 06, 1885 | W.F. Patterson, H.B. Stillman | Machine for Interchangeably Planing or Turning | metal planers |
| 379,142 | Mar. 06, 1888 | E.A. Walker | Metal Shaping Machine | metal shapers |
