| All Patents in class 409/334 |
Patents 1 -
15
of 28
      |
| Number | Date | Patentee | Title | Type |
| 10,873 | May 02, 1854 | P. Williams, II | Slotting Machine | key seating machines |
| 36,803 | Oct. 28, 1862 | D. Saunders | Machine for Cutting and Planing Metals | metal planers |
| 46,758 | Mar. 07, 1865 | J.C. Morgan | Shaping Key-Seats | key seating machines |
| 132,239 | Oct. 15, 1872 | T.R. Bailey | Improvement in Key-Seat Cutting-Machines | key seating machines |
| 134,857 | Jan. 14, 1873 | J.H. Cranston | Slotting and Keyseat Machines | metal slotting machines |
| 221,480 | Nov. 11, 1879 | W.W. Trevor | Machine for Cutting Key-Seats | key seating machines |
| 274,287 | Mar. 20, 1883 | W.P. Davis | Key Seat Cutting Machine | key seating machines |
| 278,084 | May 22, 1883 | J.L. Bogert | Device for reciprocating the cutter-heads of planing and slotting machines | metal planers |
| 289,060 | Nov. 27, 1883 | G.W. Bonds | Key Seat Cutting Machine | key seating machines |
| 303,178 | Aug. 05, 1884 | M. Morton | Combined Key Seat and Gear Cutting Machine | key seating machines |
| 309,066 | Dec. 09, 1884 | C.A. Lamphere | Key Seat Cutter | key seating machines |
| 333,324 | Dec. 29, 1885 | M. Morton | Key Seat and Gear cutting Machine | key seating machines |
| 341,165 | May 04, 1886 | L.H. Pierson | Convertable Drill Press or Slotting Machine | drill presses |
| 347,539 | Aug. 17, 1886 | J.S. Waterman | Key Seat Milling Machine | key seating machines |
| 360,530 | Apr. 05, 1887 | J.N. Kaufholz | Slotting Attachmentt for Metal planers | metal planer accessories |
