| All Patents in class 409/203 |
Patents 1 -
15
of 42
      |
| Number | Date | Patentee | Title | Type |
| 28,627 | Jun. 05, 1860 | W.B. Bement | Machine for Cutting Key-Seats, &c. | key seating machines |
| 43,137 | Jun. 14, 1864 | W. Sellers | Metal Planing Machine | metal planers |
| 120,433 | Oct. 31, 1871 | W. Hawkins | Improved Milling Machine | milling machines |
| 323,202 | Jul. 28, 1885 | F.A. Pratt | Milling-machine | |
| 330,581 | Nov. 17, 1885 | C.E. Hadley | Compound Milling Machine | milling machines |
| 557,594 | Apr. 07, 1896 | W. Moltrup, S. Moltrup | Milling-machine | milling machines |
| 638,712 | Dec. 12, 1899 | C.P. Higgins | Rabbeting Machine for Oval Hand Holes | boiler repair tools |
| 683,178 | Sep. 24, 1901 | C. Jackson | Machine Tool | metal planers |
| 903,757 | Nov. 10, 1908 | C.C. Newton | Key Seating Machine | key seating machines |
| 1,188,043 | Jun. 20, 1916 | F.F. Clarke | Stop Index System for Boring Mills | metalworking machine mechanisms |
| 1,208,289 | Dec. 12, 1916 | F.M. Carroll | Gun-barrel-drilling machine | gunsmith |
| 1,239,911 | Sep. 11, 1917 | C.L. Heisler | Milling Machine | milling machines |
| 1,313,365 | Aug. 19, 1919 | W.E. McLaughlin, G.W. Dixon, J.H. Wilson | Metal Working Machine | engine wheel lathes |
| 1,421,030 | Jun. 27, 1922 | H.C. Rose | Circular Milling Machine | milling machines |
| 1,499,754 | Jul. 01, 1924 | W.C. Sproul | Milling Machine | milling machines |
